(a) Find the values of u and o. (b) The weights of the middle 96.6% of fruit cups are between (300 – K, 300 + K) grams. Find the value of K. (c) The weights of the middle 96.6% of fruit cups are between (LI, L2) grams. Find the values of L1 and L2.
(a) Find the values of u and o. (b) The weights of the middle 96.6% of fruit cups are between (300 – K, 300 + K) grams. Find the value of K. (c) The weights of the middle 96.6% of fruit cups are between (LI, L2) grams. Find the values of L1 and L2.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
please do part a),b) and c)
Transcribed Image Text:The entries in Table I are the probabilities that a random variable having the
standard normal distribution will take on a value between 0 andz. They are given
by the area of the gray region under the curve in the figure.
TABLE I
NORMAL-CURVE AREAS
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.0000
0.0398
0.0793
0.1179
0.1554
0.0359
0.0753
0.1141
0.1517
0.1879
0.0120
0.0517
0.0
0.0040
0.0080
0.0160
0.0199
0.0239
0.0279
0.0319
0.1
0.0438
0.0478
0.0557
0.0596
0.0636
0.0675
0.0714
0.1064
0.1443
0.1808
0.2
0.0832
0.0871
0.0910
0.0948
0.0987
0.1026
0.1103
0.1217
0.1591
0.1255
0.1628
0.1985
0.1293
0.1664
0.1368
0.1736
0.1406
0.1772
0.1480
0.1844
0.3
0.1331
0.4
0.1700
0.5
0.1915
0.1950
0.2019
0.2054
0.2088
0.2123
0.2157
0.2190
0.2224
0.2549
0.2852
0.6
0.2257
0.2291
0.2324
0.2357
0.2389
0.2422
0.2454
0.2486
0.2517
0.7
0.2580
0.2611
0.2642
0.2673
0.2704
0.2734
0.2764
0.2794
0.2823
0.8
0.2881
0.2910
0.2939
0.2967
0.2995
0.3023
0.3051
0.3078
0.3106
0.3133
0.9
0.3159
0.3186
0.3212
0.3238
0.3264
0.3289
0.3315
0.3340
0.3365
0.3389
1.0
0.3413
0.3438
0.3461
0.3485
0.3508
0.3531
0.3554
0.3577
0.3599
0.3621
1.1
0.3643
0.3665
0.3686
0.3708
0.3729
0.3749
0.3770
0.3790
0.3810
0.3830
1.2
0.3849
0.3869
0.3888
0.3907
0.3925
0.3944
0.3962
0.3980
0.3997
0.4015
0.4049
0.4082
0.4236
0.4370
0.4115
0.4265
0.4394
1.3
0.4032
0.4066
0.4099
0.4131
0.4147
0.4162
0.4177
0.4192
0.4332
0.4207
0.4345
0.4251
0.4382
0.4279
0.4406
1.4
0.4222
0.4292
0.4306
0.4319
1.5
0.4357
0.4418
0.4429
0.4441
1.6
0.4452
0.4463
0.4474
0.4484
0.4495
0.4505
0.4515
0.4525
0.4535
0.4545
1.7
0.4554
0.4564
0.4573
0.4582
0.4591
0.4599
0.4608
0.4616
0.4625
0.4633
1.8
0.4641
0.4648
0.4656
0.4664
0.4671
0.4678
0.4685
0.4692
0.4699
0.4706
1.9
0.4713
0.4719
0.4725
0.4732
0.4738
0.4744
0.4750
0.4756
0.4761
0.4767
2.0
0.4772
0.4778
0.4783
0.4788
0.4793
0.4798
0.4803
0.4808
0.4812
0.4817
0.4834
0.4871
0.4901
0.4838
0.4875
0.4904
0.4846
0.4881
0.4909
0.4931
0.4857
0.4890
0.4916
0.4936
0.4952
2.1
0.4821
0.4826
0.4830
0.4842
0.4850
0.4854
0.4861
0.4893
0.4864
0.4896
0.4884
0.4911
0.4887
0.4913
2.2
0.4868
0.4878
0.4898
0.4922
0.4941
2.3
0.4906
2.4
0.4918
0.4920
0.4925
0.4927
0.4929
0.4932
0.4934
2.5
0.4938
0.4940
0.4943
0.4945
0.4946
0.4948
0.4949
0.4951
0.4959
0.4969
0.4977
2.6
0.4953
0.4955
0.4956
0.4957
0.4960
0.4961
0.4962
0.4963
0.4964
2.7
0.4965
0.4966
0.4967
0.4968
0.4970
0.4971
0.4972
0.4973
0.4974
2.8
0.4974
0.4975
0.4976
0.4977
0.4978
0.4979
0.4979
0.4980
0.4981
0.4985
0.4989
2.9
0.4981
0.4982
0.4982
0.4983
0.4984
0.4984
0.4985
0.4986
0.4986
3.0
0.4987
0.4987
0.4987
0.4988
0.4988
0.4989
0.4989
0.4990
0.4990
Also, for z= 4.0, 5.0 and 6.0, the areas are 0.49997, 0.4999997, and 0.499999999.
Transcribed Image Text:A salad shop is selling fruit cups. Each fruit cup consists of two types of fruit, strawberries and blue berries.
The weight of strawberries in a fruit cup is normally distributed with mean 160 grams and standard deviation
10 grams. The weight of blue berries in a fruit cup is normally distributed with mean µ grams and standard
deviation o grams. The weight of strawberries and blue berries are independent, and it is known that the
weight of a fruit cup with average of 300 grams and standard deviation of 15 grams.
(a) Find the values of u and o.
(b) The weights of the middle 96.6% of fruit cups are between (300 – K, 300 + K) grams. Find the value
of K.
(c) The weights of the middle 96.6% of fruit cups are between (L1, L2) grams. Find the values of L1 and
L2.
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