A university tests 30 independent women for signs of a stroke.  The probability that any one of them has one of these signs is 0.20.    This copywritten question is part of a quiz or exam at Arizona State University. It may not be posted on Chegg or any other online site without permission from Dr. L. Chattin.   If you want to determine the probability that two or fewer in this sample show a sign, which distribution will you need to use?  Select the very best answer.

You should be familiar with this example in Chapter 2 of the text.  H is the event a wafer contains high contamination and C is the event that the wafer is in the center of the tool: Contamination Center Location Edge Location Total Low 514 68 582 High 112 246 358 Total 626 314  This copywritten question is part of a quiz or exam at Arizona State University.  It may not be posted or reproduced without the permission of Dr. L. Chattin and Arizona State Univerisity.  Determine the probability that a wafer has low contamination or is in the center of the tool. Express your answer to four decimal places using conventional rounding methods. 

A sample of six parts is pulled from a batch of 134 identical parts.  You want to determine the total number of ways this sample can be pulled.  This copywritten question is part of a quiz or exam at Arizona State. It may not be posted to any website or discord, screenshot, photographed or texted to anyone at any time during this session or semester.   This is an example of [x] order and [y] replacement.  Enter one word for each blank.

What does this equation compute:  E(X2) –

I understand that if I   take any photos or screenshots of any question on this quiz at any time this session post any of these questions online at any time this session text or email any of these questions to another person at any time this session post any of these questions to discord at any time this session   it is a violation of ASU’s Academic Integrity Policy and will be reported to the dean’s office resulting in a possible failing grade in this course.   Select “yes” to indicate that you understand the above.

The smallest value that a Poisson random variable can be is _____.    This copywritten question is part of a quiz or exam at Arizona State University. It may not be posted on Chegg or any other online site without permission from Dr. L. Chattin.   

Assume that in a trivia contest, a caller will have the correct answer with probability  p = 0.24. Assume calls are independent.  The winner of the contest will be the second person with the correct answer.  This copywritten question is part of a quiz or exam at Arizona State University. It may not be posted on Chegg or any other online site without permission from Dr. L. Chattin.   If you wanted to determine the probability that it will take more than five callers before the winner of the contest is identified, which distribution would you need to use?  Hint: Define your random variable in words, first.

Consider  .  This copywritten question is part of a quiz or exam at Arizona State. It may not be posted to any website or discord, screenshot, photographed or texted to anyone at any time during this session or semester. Evaluate this equation when n = [x] and r = [x] – 1.  

Refer to the figure. What was the ultimate cause of the increase in mouse density according to this figure?  

Refer to the figure.   Based on the figure, what year is the population growth rate expected to be only 1%?