According to a recent survey about 33 of americans polled, Ask an Expert

Statistics

According to a recent survey, about 33% of Americans polled said that they would likely purchase reusable cloth bags for groceries in order to reduce plastic waste. Suppose 45 shoppers are interviewed a local supermarket.

a. Describe the sampling distribution for the sample proportion by naming the model and determining its mean and standard deviation.

b. What is the probability that no more than 28% of shoppers say that they are likely to purchase reusable cloth bags for groceries?

c. What is the probability that between 28% and 38% of shoppers say that they are likely to purchase reusable cloth bags for groceries?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91023217

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Suppose a retailer claims that the average wait time for a

Suppose a retailer claims that the average wait time for a customer on its support line is 179 seconds. A random sample of 57 customers had an average wait time of 169 seconds. Assume the population standard deviation fo ...

Suppose a sampling space has things a b and c twice draw

Suppose a sampling space has things a, b, and c. Twice draw from the sample space and replace. The possible sequence formed are {aa,ab,ac,ba,bb,bc,cacb,cc}. Now suppose there are Y different things. There are Y ways the ...

The meantime it takes a technician to resolve this software

The meantime it takes a technician to resolve this software issue is 18 minutes with a standard deviation of 4.2 minutes. This information was obtained from a random sample of 10 monitored calls. A sample of 15 monitored ...

A study shows that 81 of the population of all calculus

A study shows that 81% of the population of all calculus students consider calculus an exciting subject. Suppose 34 students are independently selected from the population. If the true percentage is really 81%, find the ...

In a pre-election poll a candidate for district attorney

In a pre-election poll, a candidate for district attorney receives 304 of 600 votes. Assuming that the people polled represent a random sample of the voting population, test the claim that a majority of voters support th ...

In a survey of 3439 adults 1418 say they have started

In a survey of 3439 adults, 1418 say they have started paying bills online in the last year. Construct a? 99% confidence interval for the population proportion. Interpret the results.

The random variable x takes on the values 5 20 30 and 200

The random variable X takes on the values 5, 20, 30, and 200 with probabilites 0.60, 0.30, 0.08, and 0.02 respectively. Use the statistical capacity of your calculator to find the expected value of Xrounded to one place ...

The beta corp has decided to enter the next generation in

The BETA Corp. has decided to enter the next generation in customer service. In order to do so they need to purchase a new piece of equipment. The equipment is highly specialized and needs to be created to exact specific ...

Compounding and period as you increase the length of time

Compounding and Period: As you increase the length of time involved, what happens to future values? What happens to present values? The present value of annuity will increase as well as the future value when you increase ...

A sample of 175 randomly selected students found that the

A sample of 175 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.64 What is the standard deviation of the sampling distribution.

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

Recent Questions

Ask Statistics and Probability Expert