Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1. According to Chebyshev's theorem, proportion of values from data set that is further than two standard deviations from mean is at most:

A. 0.50    

B. 0.13

C. 1.00

D. 0.25

2. In the study of elephants a researcher wishes to find out the average weight of the certain subspecies of elephants. From previous studies, the standard deviation of weights of elephants in this subspecies is known to be 1500 pounds. How many elephants does the researcher require to weigh so that he can be 80% confident that the average weight of elephants in his sample is in 350 pounds of true average weight for this subspecies?

A. 31       

B. 39       

C. 50       

D. 166     

3. A snack food manufacturer chosen a sample of 15 bags of pretzels off the assembly line and weighed their contents. If the sample mean is 10.0 and sample standard deviation is 0.15, find out the 95% confidence interval estimate for true mean weight of bags of this kind of pretzel.

A. (9.92, 12.34)   

B. (8.54, 11.46)

C. (10.42, 10.58)

D. (9.92, 10.08)

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922659

Have any Question? 


Related Questions in Statistics and Probability

Find alice and bobs common key k by using the

Find Alice and Bob's common key K by using the Diffle-Hellman-Markle key exchange scheme with the given values of M,n,a and b. M | n | a | b 17 | 7 | 6 | 7 Alice and Bob's common key K is this is a cryptography chart.

An airplane manufacturer currently produces six models of

An airplane manufacturer currently produces six models of airplanes for commercial sale. the airline that lauren works for is rapidly expanding and would like to purchase three airplanes of different models to service va ...

Read full english transcript of osama bin ladens speechwhat

Read: full English transcript of Osama bin Laden's speech What are some examples of bin Laden's complaints against Western society? What seems to be his plan for the Islamic world?

The question to address is what have you learned about

The question to address is: "What have you learned about statistics?" In developing your responses, consider - at a minimum - and discuss the application of each of the course elements in analyzing and making decisions a ...

Emily marc and thomas meet at a party to which novelists

Emily, Marc, and Thomas meet at a party to which novelists and poets have been invited. Every attendee at the party is either a novelist or a poet (but not both). Every poet knows all the other poets, but every novelist ...

1 suppose the mean test scores for a college enter exam is

1) Suppose the mean test scores for a college enter exam is normally distributed with mean = 78 and standard deviation = 12. a). If an individual student is selected at random, what is the probability that this student's ...

In retrospect how might the united states under the truman

In retrospect, how might the United States under the Truman administration have handled the situation differently? How would you characterize the current situation and how might our relationship with the largest survivor ...

A manager of a small store wanted to discourage shoplifters

A manager of a small store wanted to discourage shoplifters by putting signs around the store that said, "Shoplifting is a crime!", while at the same time making sure the signs would not reduce the number of sales. To te ...

The department of education would like to determine if

The Department of Education would like to determine if there are gender differences in the performance of twins on the state mandated mathematics examination. As a result, they have collected data on twelve sets of twins ...

Three experiments investigating the relation between need

Three experiments investigating the relation between need for cognitive closure and persuasion were performed. Part of the study involved administering a "need for closure scale" to a group of students enrolled in an int ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen