# Question

1. The sample space S for this experiment has 10 elements.

2. The assumption of independence implies that each shopper has the same probability for carrying a bag.

3. P (A) + P (B) = P (A or B).

4. The probability that both events B and C occur is equal to P (B).

5. The probability that a randomly chosen customer purchases with a credit card or spends more than $50 is the same as or larger than the probability that the customer purchases with a credit card and spends more than $50.

6. If each shopper has the same chance of making a purchase and shoppers behave independently of one another, then P (A and C) = P (A) × P (C).

A market research assistant watches the next five customers as they leave the store. He records whether the customer is carrying a store bag that indicates the customer made a purchase. He writes down a yes or a no for each. Define the events.

A = {first two shoppers have a bag}

B = {last two shoppers have a bag}

C = {last three shoppers have a bag}

2. The assumption of independence implies that each shopper has the same probability for carrying a bag.

3. P (A) + P (B) = P (A or B).

4. The probability that both events B and C occur is equal to P (B).

5. The probability that a randomly chosen customer purchases with a credit card or spends more than $50 is the same as or larger than the probability that the customer purchases with a credit card and spends more than $50.

6. If each shopper has the same chance of making a purchase and shoppers behave independently of one another, then P (A and C) = P (A) × P (C).

A market research assistant watches the next five customers as they leave the store. He records whether the customer is carrying a store bag that indicates the customer made a purchase. He writes down a yes or a no for each. Define the events.

A = {first two shoppers have a bag}

B = {last two shoppers have a bag}

C = {last three shoppers have a bag}

## Answer to relevant Questions

1. The events A = {3 candidates on Monday rate above 7} and B = {two candidates on Tuesday rate above 7} are disjoint events. 2. If 8 of the 12 candidates on Monday and Tuesday rate above 6, then the probability of a ...A brand of men’s pants offered for sale at a clothing store comes in various sizes. The possible waist sizes are Waist: {24 inches, 26 inches, c, 46 inches}with inseams (length of the pant leg) Inseam: {28 inches, 29 ...It’s time for an advertising firm to renew its contract with a client. The advertising firm wants the client to increase the amount it spends to advertise. If the firm proposes to continue the current contract, there’s a ...A chain of fast-food restaurants offers an instant-winner promotion. Drink cups and packages of French fries come with peel-off coupons. According to the promotion, 1 in 20 packages is a winner. (a) A group of friends buys ...Racetracks give the odds for each horse winning a race rather than the probability. Here are the odds for the 2011 Belmont Stakes. Odds at a racetrack indicate the amount won for a bet on the winning horse. For example, ...Post your question

0