According to the central limit theorem what will happen to

Assignment Help Basic Statistics
Reference no: EM13630528

1. The amount of time a bank teller spends with each customer is normally distributed with a population mean of 3.20 minutes and standard deviation of .40 minutes. If a random sample of 16 customers is selected, what is the standard deviation o the sample mean? Possible answers: a) 3.2 minutes b) 0.40 minutes c) 0.025 minutes d) 0.1 minutes e) 8.0 minutes

2. According to the Central Limit Theorem, what will happen to the histogram of averages as n increases? Possible answers: a) It depends on the mean and standard deviation b) The histogram will begin to look more ike the original distribution c) The histogram will begin to look less like the normal curve d) Increasing n will not affect the histogram of averages e) The histogram will begin to look more like the normal curve

Reference no: EM13630528

Questions Cloud

The local county is considering a budget proposal that : the local county is considering a budget proposal that would reallocate funding to renovate the city pools. a survey is
A researcher wishes to conduct a study on the self-esteem : a researcher wishes to conduct a study on the self-esteem levels of adolescents. she believes that male adolescents
A researcher is examining preferences among four new : a researcher is examining preferences among four new flavors of ice cream. a sample of n 80 people is obtained. each
Review the three non-parametric test videos in the : review the three non-parametric test videos in the calculations section of the statistics visual learner media
According to the central limit theorem what will happen to : 1. the amount of time a bank teller spends with each customer is normally distributed with a population mean of 3.20
What is that probability that exactly 5 students smoke px5 : binomial distribution. the centers for disease control say that 30 of high school students smoke cigarettes. suppose
Pandora radio has determined that the probability of a user : 1. imagine that exam 1 for statistics 2160 this term will have 59 questions. each question has 5 multiple choice
Use the normal approximation to binomial to find the : use the normal approximation to binomial to find the probability for n 48 p 0.9 and x lt
A polling organization interviewed by phone 400 randomly : a polling organization interviewed by phone 400 randomly selected fans about their opinion on random drug testing of

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval for difference between two means

What is the 95% confidence interval estimate for the difference between the mean reflectivity reading for Paint A and Paint B? Please complete the blank: "we can be 95% confident that the true difference between the actual means is?

  Determine the mean and the variance of w find d1d2d3 and d4

let w be x212a determine the mean and the variance of wb find d1d2d3 and d4 so that pw gt d1 0.05 p w gt d2 0.99 pw

  If we are very certain that the true standard deviation of

1 if we are very certain that the true standard deviation of the number of defects per screen is below 2 what sample

  Why manufacturer interested in one-sided confidence interval

Using the data, construct a 95% lower confidence interval on mean battery life. Why would the manufacturer be interested in a one-sided confidence interval?

  A study wants to determine if taking fish oils can reduce

A study wants to determine if taking fish oils can reduce depressive symptoms. A group of 50 volunteers who suffered from mild depression were randomly divided into two groups. Each person was given a three-month’s supply of capsules. One group was g..

  Suppose the coffee industry claimed that the average us

suppose the coffee industry claimed that the average u.s. adult drinks 1.7 cups of coffee per day. to test this claim a

  Elucidate amount of sales would be required to be a gold

Illustrate what amount of sales would be required to be a super savings club member. Elucidate amount of sales would be required to be a gold club status.

  The probability that an automobile being filled with

the probability that an automobile being filled with gasoline also needs an oil change is 0.25 the probability that it

  What is probability to get sick with both a and b what is

the probability to catch disease a is 10. the probability to get disease b is 17. the probability to get at least one

  Margin of error and confidence interval

Assume that the population means are to be estimated from the sample described below. Use the sample results to approximate the margin of error and 95% confidence interval

  Confidence level-number of books

People were polled on how many books they read the previous year. How many subject are needed to estimate the number of books read the previous year within one book with 99% confidence?

  A researcher wishes to compare the effect of the rate of

a researcher wishes to compare the effect of the rate of stepping on heart rate in a step-aerobics workout. a

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd