(a) What is the probability a randomly selected student in the city will read more than 98 words per minute? The probability is 0.2743. (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box within your choice. O A. If 100 different students were chosen from this population, we would expect to read less than 98 words per minute. OB. If 100 different students were chosen from this population, we would expect to read exactly 98 words per minute. OC. If 100 different students were chosen from this population, we would expect to read more than 98 words per minute.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Related questions
Question
Standard Normal Distribution Table (page 2)
Area
Standard Nommal Distribution
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.5040
0.5438
0.5832
0.6217
0.6591
0.5080
0.5478
0.5871
0,6255
0.6628
0.5199
0.5596
0.5987
0.6368
0.6736
0.5359
0,5753
0.6141
0.6517
0.6879
0.5239
0.0
0.1
0.2
0.3
0.5000
0.5398
0.5793
0.6179
0.6554
0.5120
0.5517
0.5910
0,6293
0.6664
0.5160
0.5557
0.5948
0.6331
0.6700
0.5279
0.5675
0.6064
0.6443
0.6808
0.5319
0.5714
0.6103
0.6480
0.6844
0.5636
0.6026
0.6406
0.6772
0.4
0,6915
0.7257
0.7580
0.7881
0.8159
0,6050
0.7291
0.7611
0.6985
0.7324
0.7642
0.7019
0.7357
0.7673
0.7967
0.8238
0.7054
0.7389
0.7088
0.7422
0.7734
0.7157
0.7486
0.7794
0.7190
0.7517
0.7823
0.8106
0.8365
0.7224
0.7549
0.7852
0.8133
0.8389
0,5
0.7123
0.7454
0.7764
0.8051
0,8315
0.6
0.7
0.7704
0.7910
0.8186
0.7939
0.8212
0.7995
0.8264
0.8023
0.8289
0.8078
0,8340
0.8
0.9
0.8413
0.8643
0.8849
0,8438
0.8665
0,8869
0.8461
0,8686
0.8888
0,9066
0,9222
0.8485
0,8708
0.8531
0,8749
0.8944
0.8554
0.8770
0,8962
0.8599
1.0
1.1
1.2
0.8508
0.8729
0.8925
0.9099
0.9251
0.8621
0.8830
0,9015
0.8577
0.8790
0.8810
0.8997
0.8907
0.9082
0.9236
0.8980
0.9049
0.9207
0.9147
0.9292
0.9162
0,9306
1.3
0.9131
0,9279
0.9032
0.9115
0.9265
0,9177
1.4
0.9192
0,9319
1.5
1.6
1.7
0.9332
0.9452
0.9554
0.9641
0.9713
0.9345
0.9463
0.9564
0.9649
0.9719
0.9357
0.9474
0.9573
0.9656
0.9726
0.9370
0.9484
0.9582
0.9664
0.9732
0.9382
0.9495
0.9591
0.9671
0.9738
0.9394
0.9505
0.9599
0.9678
0.9744
0.9406
0.9515
0.9608
0.9418
0.9525
0.9616
0.9693
0.9756
0.9429
0.9535
0.9625
0.9699
0.9761
0.9441
0.9545
0.9633
0.9706
0.9767
1.8
1.9
0.9686
0.9750
0.9772
0.9821
0,9861
0.9778
0.9826
0.9864
0.9783
0.9830
0.9868
0.9788
0.9834
0.9871
0.9793
0.9838
0.9875
0.9904
0.9927
0.9803
0.9846
0.9881
0.9909
0.9931
0.9808
0.9850
0.9884
0.9911
0.9932
0.9812
0.9854
0.9887
0.9817
0.9857
0.9890
2.0
0.9798
0.9842
2.1
2.2
0.9878
0.9803
0,9918
0.9898
0.9922
2.3
0.9896
0.9920
0,9901
0.9925
0.9906
0.9929
0,9913
0.9934
0,9916
2.4
0.9936
0.9938
0.9953
0.9965
0.9974
0.9940
0.9955
0.9966
0.9975
0.9982
0.9949
0.9962
0.9972
0.9979
0,9985
0.9951
0.9963
0.9973
0.9952
0.9964
0.9974
0.9981
0.9986
0.9943
2.5
2.6
2.7
0.9941
0.9956
0.9967
0.9976
0.9982
0.9057
0.9968
0.9977
0.9983
0.9945
0.9959
0.9969
0,9977
0.9984
0.9946
0.9960
0.9970
0.9978
0.9984
0.9948
0.9961
0.9971
0.9979
0.9985
2.8
0.9980
0.9986
2.9
0,9981
0.9987
0,9990
0.9989
0.9992
0.9994
0.9996
0.9997
0.9989
0.9992
3.0
3.1
3.2
0.9987
0.9991
0.9993
0.9995
0.9997
0.9987
0,9991
0.9994
0.9995
0.9997
0.9988
0,9991
0.9994
0.9996
0.9997
0.9988
0.9992
0.9994
0.9989
0.9992
0.9994
0.9996
0.9997
0.9990
0,9993
0.9995
0.9997
0.9998
0.9990
0.9993
0.9993
0.9995
0.9997
0.9995
0.9996
0.9997
0.9995
0.9996
0.9997
0.9996
0.9997
3.3
3.4
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
Transcribed Image Text:Standard Normal Distribution Table (page 2) Area Standard Nommal Distribution 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.5040 0.5438 0.5832 0.6217 0.6591 0.5080 0.5478 0.5871 0,6255 0.6628 0.5199 0.5596 0.5987 0.6368 0.6736 0.5359 0,5753 0.6141 0.6517 0.6879 0.5239 0.0 0.1 0.2 0.3 0.5000 0.5398 0.5793 0.6179 0.6554 0.5120 0.5517 0.5910 0,6293 0.6664 0.5160 0.5557 0.5948 0.6331 0.6700 0.5279 0.5675 0.6064 0.6443 0.6808 0.5319 0.5714 0.6103 0.6480 0.6844 0.5636 0.6026 0.6406 0.6772 0.4 0,6915 0.7257 0.7580 0.7881 0.8159 0,6050 0.7291 0.7611 0.6985 0.7324 0.7642 0.7019 0.7357 0.7673 0.7967 0.8238 0.7054 0.7389 0.7088 0.7422 0.7734 0.7157 0.7486 0.7794 0.7190 0.7517 0.7823 0.8106 0.8365 0.7224 0.7549 0.7852 0.8133 0.8389 0,5 0.7123 0.7454 0.7764 0.8051 0,8315 0.6 0.7 0.7704 0.7910 0.8186 0.7939 0.8212 0.7995 0.8264 0.8023 0.8289 0.8078 0,8340 0.8 0.9 0.8413 0.8643 0.8849 0,8438 0.8665 0,8869 0.8461 0,8686 0.8888 0,9066 0,9222 0.8485 0,8708 0.8531 0,8749 0.8944 0.8554 0.8770 0,8962 0.8599 1.0 1.1 1.2 0.8508 0.8729 0.8925 0.9099 0.9251 0.8621 0.8830 0,9015 0.8577 0.8790 0.8810 0.8997 0.8907 0.9082 0.9236 0.8980 0.9049 0.9207 0.9147 0.9292 0.9162 0,9306 1.3 0.9131 0,9279 0.9032 0.9115 0.9265 0,9177 1.4 0.9192 0,9319 1.5 1.6 1.7 0.9332 0.9452 0.9554 0.9641 0.9713 0.9345 0.9463 0.9564 0.9649 0.9719 0.9357 0.9474 0.9573 0.9656 0.9726 0.9370 0.9484 0.9582 0.9664 0.9732 0.9382 0.9495 0.9591 0.9671 0.9738 0.9394 0.9505 0.9599 0.9678 0.9744 0.9406 0.9515 0.9608 0.9418 0.9525 0.9616 0.9693 0.9756 0.9429 0.9535 0.9625 0.9699 0.9761 0.9441 0.9545 0.9633 0.9706 0.9767 1.8 1.9 0.9686 0.9750 0.9772 0.9821 0,9861 0.9778 0.9826 0.9864 0.9783 0.9830 0.9868 0.9788 0.9834 0.9871 0.9793 0.9838 0.9875 0.9904 0.9927 0.9803 0.9846 0.9881 0.9909 0.9931 0.9808 0.9850 0.9884 0.9911 0.9932 0.9812 0.9854 0.9887 0.9817 0.9857 0.9890 2.0 0.9798 0.9842 2.1 2.2 0.9878 0.9803 0,9918 0.9898 0.9922 2.3 0.9896 0.9920 0,9901 0.9925 0.9906 0.9929 0,9913 0.9934 0,9916 2.4 0.9936 0.9938 0.9953 0.9965 0.9974 0.9940 0.9955 0.9966 0.9975 0.9982 0.9949 0.9962 0.9972 0.9979 0,9985 0.9951 0.9963 0.9973 0.9952 0.9964 0.9974 0.9981 0.9986 0.9943 2.5 2.6 2.7 0.9941 0.9956 0.9967 0.9976 0.9982 0.9057 0.9968 0.9977 0.9983 0.9945 0.9959 0.9969 0,9977 0.9984 0.9946 0.9960 0.9970 0.9978 0.9984 0.9948 0.9961 0.9971 0.9979 0.9985 2.8 0.9980 0.9986 2.9 0,9981 0.9987 0,9990 0.9989 0.9992 0.9994 0.9996 0.9997 0.9989 0.9992 3.0 3.1 3.2 0.9987 0.9991 0.9993 0.9995 0.9997 0.9987 0,9991 0.9994 0.9995 0.9997 0.9988 0,9991 0.9994 0.9996 0.9997 0.9988 0.9992 0.9994 0.9989 0.9992 0.9994 0.9996 0.9997 0.9990 0,9993 0.9995 0.9997 0.9998 0.9990 0.9993 0.9993 0.9995 0.9997 0.9995 0.9996 0.9997 0.9995 0.9996 0.9997 0.9996 0.9997 3.3 3.4 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09
The reading speed of second grade students in a large city is approximately normal, with a mean of 92 words per minute (wpm) and a standard deviation of 10 wpm.
Complete parts (a) through (f).
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
(a) What is the probability a randomly selected student in the city will read more than 98 words per minute?
The probability is 0.2743.
(Round to four decimal places as needed.)
Interpret this probability. Select the correct choice below and fill in the answer box within your choice.
O A. If 100 different students were chosen from this population, we would expect
to read less than 98 words per minute.
O B. If 100 different students were chosen from this population, we would expect
| to read exactly 98 words per minute.
O C. If 100 different students were chosen from this population, we would expect
to read more than 98 words per minute.
O Standard Normal Distribution Table (page 1)
Area-
Standard Normal Distribution
0.00
0.01
0.02
0,03
0.04
0.05
0.06
0.07
0.08
0.09
-34
-33
-3.2
-31
-30
0.0003
0.0005
0.0007
0.0010
0.0013
0.0003
0.0005
0.0007
0.0009
0.0013
0.0003
0.0005
0.0006
0.0009
0.0013
0.0003
0.0004
0.0006
0.0009
0.0012
0.0003
0.0004
0.0006
0.0008
0.0012
0.0003
0.0004
0.0006
0.0008
0.0011
0.0003
0.0004
0.0006
0.0008
0.0011
0.0003
0.0004
0.0005
0.0008
0.0011
0.0003
0.0004
0.0005
0.0007
0.0010
0.0002
0.0003
0.0005
0.0007
0.0010
-29
-28
-2.7
-2.6
-2.5
0.0019
0.0026
0.0035
0.0047
0.0062
0.0018
0.0025
0.0034
0.0045
0.0060
0.0018
0.0024
0.0033
0.0044
0.0059
0.0017
0.0023
0.0032
0.0043
0.0057
0.0016
0.0023
0.0031
0.0041
0.0055
0.0016
0.0022
0.0030
0.0040
0.0054
0.0015
0.0021
0.0029
0.0015
0.0021
0.0028
0.0038
0.0051
0.0014
0.0020
0.0027
0.0037
0.0049
0.0014
0.0019
0.0026
0.0036
0.0048
0.0039
0.0052
-24
-23
-2.2
-2.1
-2.0
0.0082
0.0107
0.0139
0.0080
0.0104
0.0136
0.0078
0.0102
0.0132
0.0075
0.0009
0.0129
0.0073
0.0096
0.0125
0.0071
0.0094
0.0122
0.0069
0.0091
0.0119
0.0154
0.0197
0.0068
0.0089
0.0116
0.0150
0.0192
0.0066
0.0087
0.0113
0.0064
0.0084
0.0110
0.0143
0.0183
0.0179
0.0228
0.0174
0.0222
0.0170
0.0217
0.0166
0.0212
0.0162
0.0207
0.0158
0.0202
0.0146
0.0188
0.0287
0.0359
0.0446
0.0548
0.0668
0.0268
0.0336
0.0418
0.0516
0.0630
0.0262
0.0329
0.0409
0.0505
0.0618
0.0256
0.0322
0.0401
0.0495
0.0606
0.0244
0.0307
0.0384
0.0475
0.0582
0.0233
0.0294
0.0367
0.0455
0.0559
-1.9
0.0281
0.0351
0.0436
0.0537
0,0655
0.0274
0.0344
0.0427
0.0526
0.0643
0.0250
0.0314
0.0392
0.0485
0.0594
0.0239
0.0301
0.0375
0.0465
0.0571
-1.8
-1.7
-1.6
-1.5
0.0793
0.0951
0.1131
0.1335
0.1562
0.0778
0.0934
0.1112
0.1314
0.1539
0.0764
0.0918
0.1093
0.1292
0.1515
0.0735
0.0885
0.1056
0.1251
0.0749
0.0901
-14
-13
-1.2
-1.1
-1.0
0.0808
0.0968
0.1151
0.1357
0.1587
0.0721
0.0869
0.1038
0.1230
0.0708
0.0853
0.1020
0.1210
0.1423
0.0694
0.0838
0.1003
0.1190
0.1401
0.0681
0.0823
0.0985
0.1075
0.1271
0.1492
0.1170
0.1379
0.1469
0.1446
-0.9
0.1841
0.2119
0.2420
0.1788
0.2061
0.2358
0.2676
0.3015
0.1762
0.2033
0.2327
0.1736
0.2005
0.2296
0.1711
0.1977
0.2266
0.2578
0.2912
0.1685
0.1660
0.1922
0.2206
0.2514
0.2843
0.1635
0.1894
0.2177
0.2483
0.2810
0.1611
0.1867
02148
0.1814
0.2090
0.2389
0.2709
0.3050
-08
0.1949
-0.7
0.2236
0.2546
0.2877
-0.6
02743
0.3085
0.2643
0.2981
0.2611
0.2946
0.2451
0.2776
-0.5
Click to select and e
-04
-0.3
-0.2
0.3446
0.3821
0.4207
0.3409
03783
04168
0.4562
0.3372
0.3745
0.4129
0.4522
0.4920
0.3336
0.3707
0.4090
0.3300
0.3669
0.4052
0.4443
0.4840
0.3264
0.3632
0.4013
0.3228
0.3594
0.3974
0.3192
0.3557
0.3936
0.4325
0.4721
0.3156
0.3520
0.3897
0.3121
0.3483
0.3859
0.4247
0.4641
parts
7 remaining
-0.1
-0.0
0.4602
0.5000
0.4483
0.4880
0.4404
0.4801
0.4364
0.4761
0.4286
0.4681
swer
0.4960
0.00
0.01
0.02
0.03
0.04
0,05
0.06
0.07
0.08
0.09
Transcribed Image Text:The reading speed of second grade students in a large city is approximately normal, with a mean of 92 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f). Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) What is the probability a randomly selected student in the city will read more than 98 words per minute? The probability is 0.2743. (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box within your choice. O A. If 100 different students were chosen from this population, we would expect to read less than 98 words per minute. O B. If 100 different students were chosen from this population, we would expect | to read exactly 98 words per minute. O C. If 100 different students were chosen from this population, we would expect to read more than 98 words per minute. O Standard Normal Distribution Table (page 1) Area- Standard Normal Distribution 0.00 0.01 0.02 0,03 0.04 0.05 0.06 0.07 0.08 0.09 -34 -33 -3.2 -31 -30 0.0003 0.0005 0.0007 0.0010 0.0013 0.0003 0.0005 0.0007 0.0009 0.0013 0.0003 0.0005 0.0006 0.0009 0.0013 0.0003 0.0004 0.0006 0.0009 0.0012 0.0003 0.0004 0.0006 0.0008 0.0012 0.0003 0.0004 0.0006 0.0008 0.0011 0.0003 0.0004 0.0006 0.0008 0.0011 0.0003 0.0004 0.0005 0.0008 0.0011 0.0003 0.0004 0.0005 0.0007 0.0010 0.0002 0.0003 0.0005 0.0007 0.0010 -29 -28 -2.7 -2.6 -2.5 0.0019 0.0026 0.0035 0.0047 0.0062 0.0018 0.0025 0.0034 0.0045 0.0060 0.0018 0.0024 0.0033 0.0044 0.0059 0.0017 0.0023 0.0032 0.0043 0.0057 0.0016 0.0023 0.0031 0.0041 0.0055 0.0016 0.0022 0.0030 0.0040 0.0054 0.0015 0.0021 0.0029 0.0015 0.0021 0.0028 0.0038 0.0051 0.0014 0.0020 0.0027 0.0037 0.0049 0.0014 0.0019 0.0026 0.0036 0.0048 0.0039 0.0052 -24 -23 -2.2 -2.1 -2.0 0.0082 0.0107 0.0139 0.0080 0.0104 0.0136 0.0078 0.0102 0.0132 0.0075 0.0009 0.0129 0.0073 0.0096 0.0125 0.0071 0.0094 0.0122 0.0069 0.0091 0.0119 0.0154 0.0197 0.0068 0.0089 0.0116 0.0150 0.0192 0.0066 0.0087 0.0113 0.0064 0.0084 0.0110 0.0143 0.0183 0.0179 0.0228 0.0174 0.0222 0.0170 0.0217 0.0166 0.0212 0.0162 0.0207 0.0158 0.0202 0.0146 0.0188 0.0287 0.0359 0.0446 0.0548 0.0668 0.0268 0.0336 0.0418 0.0516 0.0630 0.0262 0.0329 0.0409 0.0505 0.0618 0.0256 0.0322 0.0401 0.0495 0.0606 0.0244 0.0307 0.0384 0.0475 0.0582 0.0233 0.0294 0.0367 0.0455 0.0559 -1.9 0.0281 0.0351 0.0436 0.0537 0,0655 0.0274 0.0344 0.0427 0.0526 0.0643 0.0250 0.0314 0.0392 0.0485 0.0594 0.0239 0.0301 0.0375 0.0465 0.0571 -1.8 -1.7 -1.6 -1.5 0.0793 0.0951 0.1131 0.1335 0.1562 0.0778 0.0934 0.1112 0.1314 0.1539 0.0764 0.0918 0.1093 0.1292 0.1515 0.0735 0.0885 0.1056 0.1251 0.0749 0.0901 -14 -13 -1.2 -1.1 -1.0 0.0808 0.0968 0.1151 0.1357 0.1587 0.0721 0.0869 0.1038 0.1230 0.0708 0.0853 0.1020 0.1210 0.1423 0.0694 0.0838 0.1003 0.1190 0.1401 0.0681 0.0823 0.0985 0.1075 0.1271 0.1492 0.1170 0.1379 0.1469 0.1446 -0.9 0.1841 0.2119 0.2420 0.1788 0.2061 0.2358 0.2676 0.3015 0.1762 0.2033 0.2327 0.1736 0.2005 0.2296 0.1711 0.1977 0.2266 0.2578 0.2912 0.1685 0.1660 0.1922 0.2206 0.2514 0.2843 0.1635 0.1894 0.2177 0.2483 0.2810 0.1611 0.1867 02148 0.1814 0.2090 0.2389 0.2709 0.3050 -08 0.1949 -0.7 0.2236 0.2546 0.2877 -0.6 02743 0.3085 0.2643 0.2981 0.2611 0.2946 0.2451 0.2776 -0.5 Click to select and e -04 -0.3 -0.2 0.3446 0.3821 0.4207 0.3409 03783 04168 0.4562 0.3372 0.3745 0.4129 0.4522 0.4920 0.3336 0.3707 0.4090 0.3300 0.3669 0.4052 0.4443 0.4840 0.3264 0.3632 0.4013 0.3228 0.3594 0.3974 0.3192 0.3557 0.3936 0.4325 0.4721 0.3156 0.3520 0.3897 0.3121 0.3483 0.3859 0.4247 0.4641 parts 7 remaining -0.1 -0.0 0.4602 0.5000 0.4483 0.4880 0.4404 0.4801 0.4364 0.4761 0.4286 0.4681 swer 0.4960 0.00 0.01 0.02 0.03 0.04 0,05 0.06 0.07 0.08 0.09
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