Combined test scores were normally distributed with mean 1492 and standard deviation 345. Find the combined scores that correspond to these percentiles. a) 35th percentile b) 75th percentile c) 80th percentile Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Definition a) The combined scores that correspond to 35th percentile is about. Round to the nearest integer as needed.) Entries in the table represent area under the curve between z = 0 and a positive curve, area under the curve between z = 0 and a negative value of z are found in p) The combined scores that correspond to 75th percentile is about Round to the nearest integer as needed.) Area = Probability 0.00 0.01 0.02 0.03 0.04 c) The combined scores that correspond to 80th percentile is about = P(0 < x s 2) 0.0 .0000 .0040 .0080 .0120 .0160 Round to the nearest integer as needed.)
Combined test scores were normally distributed with mean 1492 and standard deviation 345. Find the combined scores that correspond to these percentiles. a) 35th percentile b) 75th percentile c) 80th percentile Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Definition a) The combined scores that correspond to 35th percentile is about. Round to the nearest integer as needed.) Entries in the table represent area under the curve between z = 0 and a positive curve, area under the curve between z = 0 and a negative value of z are found in p) The combined scores that correspond to 75th percentile is about Round to the nearest integer as needed.) Area = Probability 0.00 0.01 0.02 0.03 0.04 c) The combined scores that correspond to 80th percentile is about = P(0 < x s 2) 0.0 .0000 .0040 .0080 .0120 .0160 Round to the nearest integer as needed.)
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Transcribed Image Text:Combined test scores were normally distributed with mean 1492 and standard deviation 345. Find the combined scores that correspond to these percentiles.
a) 35th percentile b) 75th percentile c) 80th percentile
Click here to view page 1 of the standard normal distribution table.
Click here to view page 2 of the standard normal distribution table.
Definition
a) The combined scores that correspond to 35th percentile is about
(Round to the nearest integer as needed.)
Entries in the table represent area under the curve between z = 0 and a positive
curve, area under the curve between z = 0 and a negative value of z are found in
b) The combined scores that correspond to 75th percentile is about
(Round to the nearest integer as needed.)
Area = Probability
0.00
0.01
0.02
0.03
0.04
c) The combined scores that correspond to 80th percentile is about
(Round to the nearest integer as needed.)
= P(0 < x < 2)
0.0
.0000
.0040
.0080
.0120
.0160
0.1
-12 dx
.0398
.0438
.0478
.0517
.0557
0.2
.0793
.0832
.0871
.0910
.0948
Definition
0.3
.1179
.1217
.1255
.1293
.1331
0.4
.1554
.1591
.1628
.1664
.1700
0.5
.1915
.1950
.1985
.2019
.2054
0.6
.2257
.2291
.2324
.2357
.2389
Entries in the table represent area under the curve between z = 0 and a positive va
curve, area under the curve between z = 0 and a negative value of z are found in a
0.7
.2580
.2611
.2642
.2673
.2704
0.8
.2881
.2910
.2939
.2967
.2995
Area =
Probability
0.00
0.01
0.02
0.03
0.04
0.9
.3159
.3186
.3212
.3238
.3264
= P(0 < x < 2)
1.5
.4332
.4345
.4357
.4370
.4382
.4452
.4463
.4474
1.0
3413
3438
3461
.3485
.3508
1.6
ex/2 dx
1.7
.4484
.4495
%3D
.4554
.4564
.4573
.4582
.4591
1.1
.3643
.3665
3686
3708
.3729
1.8
.4641
.4649
.4656
.4664
.4671
1.2
.3849
.3869
.3888
.3907
.3925
1.9
.4713
.4719
.4726
.4732
.4738
1.3
.4032
.4049
.4066
.4082
.4099
1.4
.4192
.4207
.4222
.4236
.4251
2.0
.4772
.4778
.4783
.4788
.4793
2.1
.4821
.4826
.4830
.4834
.4838
2.2
.4861
.4864
.4868
.4871
.4875
2.3
.4893
.4896
.4898
.4901
.4904
Print
Done
2.4
.4918
.4920
.4922
.4925
.4927
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