Question 9

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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Question 9

the probability of success in 0.37 Expain vvy or why not.
ANS:
55
50
8) Suppose the probability that a tire is defective is 0.05. If 1000 tires are sampled, find:
57
a. the expected value of tires that will be defective in this sample
58
00
01
b. interpret this
02
03
64
c. Is this a discrete or continuous distribution? Explain.
05
07
9) You take a 50 question multiple choice exam. You forgot to study and have to guess at each question. Each question has answer choices A-D.
08
09
a. What is your expected score?
70
71
72,
b. What is the probability that you get half the questions correct
73
74
75
76
10) A nursery sells lime trees that have normally distributed heights with a mean of 2 ft and a standard deviation of 0.3 ft. Find
77
the probability that a randomly selected tree is between 1 and 2 ft.
78
79
M
Sheet1
Transcribed Image Text:the probability of success in 0.37 Expain vvy or why not. ANS: 55 50 8) Suppose the probability that a tire is defective is 0.05. If 1000 tires are sampled, find: 57 a. the expected value of tires that will be defective in this sample 58 00 01 b. interpret this 02 03 64 c. Is this a discrete or continuous distribution? Explain. 05 07 9) You take a 50 question multiple choice exam. You forgot to study and have to guess at each question. Each question has answer choices A-D. 08 09 a. What is your expected score? 70 71 72, b. What is the probability that you get half the questions correct 73 74 75 76 10) A nursery sells lime trees that have normally distributed heights with a mean of 2 ft and a standard deviation of 0.3 ft. Find 77 the probability that a randomly selected tree is between 1 and 2 ft. 78 79 M Sheet1
Expert Solution
Step 188

Note:

As per the guidelines, we are only allowed to solve three subparts, please post the other questions as a different question.

Given:

n=1000,p=0.05

(a)

The mean (expected value) is calculated as:

Statistics homework question answer, step 1, image 1

The expected value is 50.

 

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