According to a survey, only 15% of customers who visited the web site of a major...

Question

Question

According to a survey, only 15% of customers who visited the web site of a major...

According to a survey, only 15% of customers who visited the web site of a major retail store made a purchase. What is the probability that a random sample of 50 will have at least 30% of customers who will make a purchase after visiting the web site?

math Statistics-And-Probability

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

We know that the sample proportion is distributed as:

Required probability =

Add a comment

Answer 2

Similar Homework Help Questions

According to a survey, only 15% of customers who visited the web site of a major...

According to a survey, only 15% of customers who visited the web site of a major retail store made a purchase. What is the probability that a random sample of 50 will have at least 30% of customers who will make a purchase after visiting the web site? a. 0.9985 b. 0.4984 c. 0.0016 d. 0.9984 e. 0.0015
According to a survey, only 15% of customers who visited the order page of a major...

According to a survey, only 15% of customers who visited the order page of a major online store made a purchase. Random samples of size 50 are selected. The mean of all the sample proportions of customers who will make a purchase after visiting the order page is? (Round this answer to 2 decimals.) The standard deviation of all the sample proportions of customers who will make a purchase after visiting the order page is? What proportion of the samples...
please show work! An e-commerce Web site claims that 6% of people who visit the site...

please show work! An e-commerce Web site claims that 6% of people who visit the site make a purchase. Complete parts a through e below based on a random sampe of 15 peopke who visited the Web site a. What is the probability that none of the people will make a purchase? The probability is (Round to four decimal places as needed.) b. What is the probability that less than 3 people will make a purchase? The probability is (Round...

1. Customers who are registered on a corporate web site are summarized by the type of...

1. Customers who are registered on a corporate web site are summarized by the type of shipping contract they use and the number of orders in the previous month. The number of customers in each category are shown in the following table. Shipping Contract No orders One order More than one order 40 Total Express 25 65 Standard 15 45 20 80 Total 40 110 60 210 130 (a) If customers are selected at random without replacement, how many unique...
1. Customers who are registered on a corporate web site are summarized by the type of...

1. Customers who are registered on a corporate web site are summarized by the type of shipping contract they use and the number of orders in the previous month. The number of customers in each category are shown in the following table Shipping Contract No orders One order More than one order 40 Total Express 25 65 Standard 15 45 20 80 40 110 60 210 130 (a) If customers are selected at random without replacement, how many unique samples...
please solve all these questions 4 Customers who are registered on a corporate Web site are...

please solve all these questions 4 Customers who are registered on a corporate Web site are summarized by the type of shipping contract they use and the number of orders in the previous month. The number of customers in each category are shown in the following table Shipping Contract Express Standard No orders One order More than one order Total Total 25 15 40 65 44 109 44 20 64 134 79 213 Suppose that three customers are selected randomly,...

Carl recorded the number of customers who visited his new storeduring the week:DayCustomers...

Carl recorded the number of customers who visited his new store during the week:DayCustomersMonday17Tuesday13Wednesday14Thursday16He expected to have 15 customers each day. To answer whether the number of customers follows a uniform distribution, a chi-square test for goodness of fit should be performed. (alpha = 0.10)What is the chi-squared test statistic? Answers are rounded to the nearest hundredth.
a survey finds that 90% of all basketball players had a major injury in their career,...

a survey finds that 90% of all basketball players had a major injury in their career, and the remaining 10% did not. Consider a random sample of 20 basketball players. i) for this random sample of 20 basketball players, what is the expect number who had major injuries? ii) what is the probability that among the 20 basketball players sampled, 17 or more had major injuries AND at least 1 did not?
1522 customers at a major retailer were surveyed whether or not they made a purchase and...

1522 customers at a major retailer were surveyed whether or not they made a purchase and were satisfied with the service they received. The table below organizes the responses. Satisfied with Service Not Satisfied With Service Total Made a Purchase 130 494 624 Did not make a purchase 715 183 898 Total 845 677 1522 a. What is the probability that a shopper selected at random made a purchase, given that they were not satisfied with the service? Write your...

1. A random sample of 82 customers, who visited a department store, spent an average of...

1. A random sample of 82 customers, who visited a department store, spent an average of $71 at this store. Suppose the standard deviation of expenditures at this store is O = $19. What is the e 98% confidence interval for the population mean? 2. A sample of 25 elements produced a mean of 123.4 and a standard deviation of 18.32 Assuming that the population has a normal distribution, what is the 90% confidence interval for the population mean? 3....

According to a survey, only 15% of customers who visited the web site of a major...

Homework Answers