1as part of a promotion for a new type of cracker free

Assignment Help Basic Statistics
Reference no: EM13353638

1. As part of a promotion for a new type of cracker, free samples are offered to shoppers in a local supermarket. The probability that a shopper will buy a packet of crackers after tasting the free sample is 0.200. Different shoppers can be regarded as independent trials. Let be the proportion of the next n shoppers that buy a packet of the crackers after tasting a free sample. How large should n be so that the standard deviation of is no more than 0.01?

A. 4
B. 16
C. 1600

2. Suppose that the random variable X has a distribution with a density curve that looks like the following.

440_Find the standard deviation and sampling distribution.gif

The sampling distribution of the mean of a random sample of 100 observations from this distribution will have a density curve that looks most like which of the following?

A. 384_Find the standard deviation and sampling distribution1.gif

B. 2258_Find the standard deviation and sampling distribution2.gif

C. 780_Find the standard deviation and sampling distribution3.gif

Reference no: EM13353638

Questions Cloud

1which of the following would have a binomial : 1.which of the following would have a binomial distribution?a.a couple will have children until they have three girls
1incomes in a certain town are strongly-right skewed with : 1.incomes in a certain town are strongly-right skewed with mean 36000 and standard deviation 7000. a random sample of
1the scores of individual students on the american college : 1.the scores of individual students on the american college testing act program composite college entrance examination
1as part of a promotion for a new type of cracker free : 1.as part of a promotion for a new type of cracker free trial samples are offered to shoppers in a local supermarket.
1as part of a promotion for a new type of cracker free : 1.as part of a promotion for a new type of cracker free samples are offered to shoppers in a local supermarket. the
1suppose that scores on the math sat exam follow a normal : 1.suppose that scores on the math sat exam follow a normal distribution with mean 500 and standard deviation 100. two
1a set of ten cards consists of five red cards and five : 1.a set of ten cards consists of five red cards and five black cards. the cards are shuffled thoroughly and i am given
1you decide to test a friend for esp using a standard deck : 1.you decide to test a friend for esp using a standard deck of 52 playing cards. such a deck contains 13 spades 13
1suppose that you are a student worker in the statistics : 1.suppose that you are a student worker in the statistics department and they agree to pay you using the random pay

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval for difference in proportions of patient

Hypertensive experimental (n=100) is 14%, placebo (n=100) is 22%. Generate a 95% Confidence interval for difference in proportions of patients with hypertension between groups.

  Mean and median test grade

Your younger brother comes home one day after taking a science test. He says that someone at school told him that "60% of the students in the class scored above the median test grade." What is wrong with this statement? What if he said "60% of the..

  Simplifying a product of radical expressions

Simplify a product of radical expressions. Assume that all variables represent positive real numbers

  Z-score calculation-adult learners

The mean age of adult learners in a chosen class of 31 students is 33.8 years. The standard deviation is equal to 7 years.

  Probability based on combination

The singer has the following variety of songs, in no particular order: 7 relationship songs, 6 songs about people, 4 reflective songs, and 4 songs about places.

  Probability-standard normal distribution

Nationwide, GMAT scores in a particular year had an average of 528 with an SD of 112 and the scores roughly followed a normal curve. If a student scored 600 on the exam, approximately what percentage of test-takers scored below this student?

  Significance level solution

There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number of outpatient surgeries performed at each hospital last week.

  Determining confidence interval for true mean cost

Determine a 95% confidence interval for true mean cost to repair this type of car.

  Appropriate assumptions and conditions are satisfied before

During the 2000 season, the home team won 138 of the 240 regular season National Football League games. Is this strong evidence of a home field advantage in professional football

  What is the probability that the worker was taught using

3 methods, A, B, and C are available for teaching a certain industrial skill. Only one of these methods is used in teaching a particular worker.

  What is the value of the standard error of the mean

What is the value of the standard error of the mean? What is the value of the confidence coefficient for a confidence interval with the indicated confidence level?

  Probability computation using bayes theorem

P(A 1 )= .20, P(A 2 ), and P(A 3 )= .40. P(B 1 I A 1 ) = .25. P(B 1 I A 2 ) = .05. P(B 1 I A 3 )=.10. Use Bayes' theorem to determine P(A 3  I   B 1 )

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