CO 3) In a survey of 331 customers, 66 say that service is poor. You select...
CO 3) In a survey of 331 customers, 66 say that
service is poor. You select two customers without replacement to
get more information on their satisfaction. What is the probability
that both say service is poor?
3.88%
3.93%
4.00%
19.70%
Homework Answers
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CO 3) In a survey of 331 customers, 66 say that service is poor. You select...
In a sample of 587 customers, 308 say they are happy with the service. If you...
In a sample of 587 customers, 308 say they are happy with the service. If you select three customers without replacement for a commercial, what is the probability they will all say they are happy with the service?
In a sample of 487 customers, 301 say they are happy with the service. If you...
In a sample of 487 customers, 301 say they are happy with the service. If you select three customers without replacement for a commercial, what is the probability they will all say they are happy with the service?
h) Eating an extu cigarettes 2, A survey found that 68% of book buyers are 40 or older. If two book buyers are selecte...
h) Eating an extu cigarettes 2, A survey found that 68% of book buyers are 40 or older. If two book buyers are selected at random, find the probability that both are 40 or older. 3. Seventy-three percent of diners favor the practice of tipping to reward good service. If five restaurant customers are selected at random, what is the probability that all five are in favor of tipping? 4. Cards: If 2 cards are selected from a standard deck...
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...
7. (14 points) A bag contains 7 marbles: 2 blue, 3 green, and 2 red. You...
7. (14 points) A bag contains 7 marbles: 2 blue, 3 green, and 2 red. You randomly choose 2 marbles from the bag (without replacement) (a) What is the probability that both are green? (b) What is the probability that at least one of the two marbles is blue? (e) What is the probability that you select one of the marbles you select is blue and the other one is red? (d) What is the probability that both are green,...
Typed Please, Thank you 2. Instead of offering no premium free channels as in Prob- pective 0 lem 1, suppose that two free premium channels are in- cluded in the 3-For-All service offer. Given past r...
Typed Please, Thank you
2. Instead of offering no premium free channels as in Prob- pective 0 lem 1, suppose that two free premium channels are in- cluded in the 3-For-All service offer. Given past results what is the probability that a. fewer than 3 customers will subscribe to the 3-For-All iu or th to the 3 service offer? b. 0 customers or 1 customer wl subscribe to the 3-For cus All service offer? c. more than 4 customers w...
10- There are names for 30 people in a hat, 10 are students, 3 administrators and...
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Problems 1-13: An appliance store recorded data for their customers who purchased warranties and had complaints...
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Probability in the Appliance Store Problems 1-13: An appliance store recorded data for their customers who...
Probability in the Appliance Store Problems 1-13: An appliance store recorded data for their customers who purchased warranties and had complaints about their appliances. The following data classifies the categories of complaints with whether the complaint occurred during or after the warranty. There were 100 complaints. Express your answers as decimals. If necessary, round to four decimal positions. Problems 14 and 15 are short answer, requiring justification. Electrical Mechanical Appearance During Warranty 18 13 31 After Warranty 12 22 ...
h) Eating an extu cigarettes 2, A survey found that 68% of book buyers are 40 or older. If two book buyers are selected at random, find the probability that both are 40 or older. 3. Seventy-three percent of diners favor the practice of tipping to reward good service. If five restaurant customers are selected at random, what is the probability that all five are in favor of tipping? 4. Cards: If 2 cards are selected from a standard deck...
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 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...
7. (14 points) A bag contains 7 marbles: 2 blue, 3 green, and 2 red. You randomly choose 2 marbles from the bag (without replacement) (a) What is the probability that both are green? (b) What is the probability that at least one of the two marbles is blue? (e) What is the probability that you select one of the marbles you select is blue and the other one is red? (d) What is the probability that both are green,...
Typed Please, Thank you
2. Instead of offering no premium free channels as in Prob- pective 0 lem 1, suppose that two free premium channels are in- cluded in the 3-For-All service offer. Given past results what is the probability that a. fewer than 3 customers will subscribe to the 3-For-All iu or th to the 3 service offer? b. 0 customers or 1 customer wl subscribe to the 3-For cus All service offer? c. more than 4 customers w...
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