Question

There are 9 televisions in an appliance store. The owner knows that 3 of those televisions...

There are 9 televisions in an appliance store. The owner knows that 3 of those televisions are defective, but does not know which ones they are. On a business day, 5 customers each bought a television.

a) What is the probability that two of those five customers return to the store to request a warranty because the television they purchased is defective?

b) Suppose there were not 5 customers who arrived, but 7, what is the probability that two of them return to the store to request a warranty for defects in their television?

c)Suppose there were neither 5 nor 7 customers who arrived, but 2, what is the probability that the two will return to request a warranty due to a defect in their television?

Homework Answers

Answer #2

answered by: anonymous
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The owner of a pawn shop knows that 85 percent of the customers who enter her...
The owner of a pawn shop knows that 85 percent of the customers who enter her store will sell an item rather than pawning it. If there are 20 customers in the shop, what is the probability that at most 5 of the customers will pawn an item?
An appliance manufacturer offers extended warranties on its washers and dryers. Based on past sales, the...
An appliance manufacturer offers extended warranties on its washers and dryers. Based on past sales, the manufacturer reports that of customers buying both a washer and a dryer, 52% purchase the extended warranty for the washer, 49% purchase the extended warranty for the dryer, and 61% purchase at least one of the two extended warranties. (a) Use the given probability information to set up a hypothetical 1,000 table. (Let W be the event that the customer purchases an extended warranty...
1. Running On Carla Gomez is the owner of Running On—a retail store that sells shoes...
1. Running On Carla Gomez is the owner of Running On—a retail store that sells shoes and accessories to runners. Carla is trying to decide what she should do with her retail business and how committed she should be to her current target market. Carla started Running On retail store in 1994 when she was only 24 years old. At that time, she was a nationally ranked runner and felt that the growing interest in jogging offered real potential for...
1. On average, the number of customers who had items to return for refunds or exchanges...
1. On average, the number of customers who had items to return for refunds or exchanges at a certain retail store's service desk is 756 per week. Find the probability that the service desk will have at least 100 customers with returns or exchanges on a randomly selected day. (Assume the store is open 7 days/week.) a. 0.208 b. approximately 1 c. 0.792 d. approximately 0 2. A recent survey found that 30% of telephone users have switched completely to...
Question 1 Amanda, a local supermarket owner, has decided to use a more analytical approach to...
Question 1 Amanda, a local supermarket owner, has decided to use a more analytical approach to improve her store's customer service. Her goal is to maintain the ratio of people working in the store over the number of customers around 1.5. What this means is, for example, for every two customers at any point in time there would be three people working at the store. In order for her to achieve this ratio, she wants to re-evaluate her knowledge about...
Customer service processes, non–value-added activities Daniel Morris purchased a 42-inch plasma television, manufactured by TVCO, from...
Customer service processes, non–value-added activities Daniel Morris purchased a 42-inch plasma television, manufactured by TVCO, from a local electronics store that permits customers to return defective products within 30 days of purchase. Approximately 45 days after Daniel’s purchase, the TV began to malfunction periodically. Because Daniel could not return the TV to the local store, he turned to the warranty information and found that the warranty included picking up the approximately 100-pound TV from the owner’s home, repairing the TV,...
PART A) The owner of a golf course wants to determine if his golf course is...
PART A) The owner of a golf course wants to determine if his golf course is more difficult than the one his friend owns. He has 25 golfers play a round of 18 holes on his golf course and records their scores. Later that week, he has the same 25 golfers play a round of golf on his friend's course and records their scores again. The average difference in the scores (treated as the scores on his course - the...
A sample of people were asked what was the usual way that they paid for alternative...
A sample of people were asked what was the usual way that they paid for alternative modes of public transportation Their responses are recorded in the following table: Taxi Bus Rail Uber TOTAL Cash 25 25 12 15 Credit 20 10 47 67 City Pass 15 32 33 0 TOTAL (1) (5 points) Complete the contingency table, filling in the column and row totals. (2) (5 points) What is the probability that a randomly selected respondent usually pays with credit...
What is the chance a randomly selected employee would get a non-zero bonus amount? What is...
What is the chance a randomly selected employee would get a non-zero bonus amount? What is the chance a randomly selected employee would get at least $6000? What is the expected bonus value of the bonus amounts? What are the variance and standard deviation of the bonus amount? Binomial Suppose according to past data for a small boutique, about 30% of the customers who walk into the store purchase at least one item. Today 10 individual customers walked into the...
I. Solve the following problem: For the following data: 1, 1, 2, 2, 3, 3, 3,...
I. Solve the following problem: For the following data: 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 5, 6 n = 12 b) Calculate 1) the average or average 2) quartile-1 3) quartile-2 or medium 4) quartile-3 5) Draw box diagram (Box & Wisker) II. PROBABILITY 1. Answer the questions using the following contingency table, which collects the results of a study to 400 customers of a store where you want to analyze the payment method. _______B__________BC_____ A...