A librarian believes that most books are kept longer or shorter than the allowed time of 3 weeks. What is the alternative hypothesis?   -The average time a book is kept is 3 weeks, The average time a book is kept is different from 3 weeks, or the average time a book is kept is longer than 3 weeks.   What is the null hypotheis? -The average time a book is kept is 3 weeks, The average time a book is kept is different from 3 weeks, or the average time a book is kept is longer than 3 weeks.

Q: What is an example of a summative assessment that you could use to evaluate mastery in meeting the…

A: The statement is "After the lesson on rounding two- and three-digit whole numbers, the students will…

Q: company record for 600 employees shows that 120 have been reprimanded more than once and 450 have…

A: No. of employees in the company recordNo. of employees who have been reprimanded more than onceTotal…

Q: This question asks you to extend the medical-test example from class. Suppose there is a medical…

A:

Q: In a study of treatments for very painful "cluster headaches, 147 patients were treated with oxygen…

A: HERE GIVEN  FOR PATIENT TREATED WITH OXYGEN SAMPLE SIZE =n1=147                          x1=113…

Q: 2. A student did not study for Philosophy quiz which consists of 10 true or false questions. If the…

A: Introduction: It is required to find all possible number of answers that can be given to the true or…

Q: how do you calculate the waiting time before a player looses

A:

Q: The Party of Nonvoters From past elections, are those who are either not nonvoters registered to…

A: 43% of those not likely to cast a vote are Hispanic, African or other racial and ethnic…

Q: n analyst stated that the average amount of money spent on New Year gifts for friends is above…

A:

Q: MKH CROYZZICA 100 males used a new weight-loss pill, and all but 29 of them expenenced weight loss…

A: Given that 100 males used a new weight-loss pill, and all but 29 of them experienced weight loss…

Q: 33​%of employed U.S. adults reported that basic mathematical skills were critical or very important…

A: Given that, 33​%of employed U.S. adults reported that basic mathematical skills were critical or…

Q: What are the Key Assumptions about the error term?

A: The error term can be denoted as ∈.

Q: In queueing system What is the average Queue lenght ? 2.- What is the expected waiting time ?…

A: We have to find out 1    average queue length 2     expected waiting time

Q: A game team consists of ten players, six male and four female players. In how many different ways…

A:

Q: To get a grade of A-, a student must have a mean average of 90 or greater.  Jim has a mean average…

A:

Q: pls help asap!!!

A: According to guidelines we solve first three subparts when given multiple subparts.

Q: Hi, I need some help foor this question. Please do not copy with chatgpt. Please write clear I need…

A:

Q: 1.Please describe the differences and connections between Probability and Statistics. Then explain…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: there are two baskets, in the first, 4 red , 8 white balls, in the second 7 red and 6 white balls,…

A: *  Probability = favorable outcomes/total outcomes Two baskets : In experiment x : 4 red + 8 white =…

Q: (b) Let p, represent the population proportion of all people with recent charges of drunken driving…

A: Given Information: First sample: (face-to-face interview) Sample size n1=27 Out of which x1=16…

Q: PLEASE HELP, i really need to understand these questions before my finals. pleaseee?

A: The Pigeonhole Principle:  If there are n+1 objects and it is required to place then in n boxes then…

Q: Students receive 5 bonus points for every 2 community service projects they perform. If Simran…

A:

Q: 4) Test the claim that the majority of Precalculus students are passing the class with a C or…

A: The objective is to test the claim that the majority of precalculus students are passing the class…

Q: You are buying a rubber gasket seal for a compartment of a rocket carrying people. The quality of…

A: Type 1 error The probability of rejecting null hypothesis when it is true. Suppose null hypothesis…

Q: - All the scores are whole numbers, - There are 120 scores, - The range is 40, - Intervals of…

A: Scores= 120 Range = 40 Intervals of width = 10 Number of intervals=?

Q: conducted a classic stud 10. In 1974, Loftus and demonstrating how the language used to ask a tion…

A: to test the hypothesis is that there is a significantly higher mean for the smashed into group at…