A grocery stores receipts show that Sunday customers purchases have a skewed distribution with a mean...
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grocery stores receipts show that Sunday customers purchases have a
skewed distribution with a mean...
A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean...
A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $26 and a standard deviation of $14. Suppose the store had 312 customers this Sunday. a) Estimate the probability that the store's revenues were at least $8 comma 400. b) If, on a typical Sunday, the store serves 312 customers, how much does the store take in on the worst 1% of such days?
a) The probability is (Round to four decimal places as needed.) B) the store takes in...
a) The probability is
(Round to four decimal places as needed.)
B) the store takes in at most $. ?
(Round to two decimal places as needed.)
A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $33 and a standard deviation of $19. Suppose the store had 312 customers this Sunday. a) Estimate the probability that the store's revenues were at least $10,800 b) If, on a typical Sunday, the store serves...
A food company sells salmon to various customers. The mean weig discount outlet stores in pallets...
A food company sells salmon to various customers. The mean weig discount outlet stores in pallets of 64 salmon. To forecast costs, t ht of the salmon is 31 lb with a standard deviation of 2 lbs. The company ships them to restaurants in boxes of 9 salmon, to grocery stores in cart ons of 36 salmon, and to iles ostmers. the shipping department needs to est mate the standard deviation of the mean weight of the salmon in each...
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a...
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a standard deviation of $500. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions (a) What is the likelihood the sample mean is at least $25.00 decimal places and final answer to 4 decimal places.) Round z value to 2 Probability What is the likelihood the sample mean is greater than $2250 but less...
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a...
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a standard deviation of $5.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions. (a)What is the likelihood the sample mean is at least $25.00? (Round z value to 2 decimal places and final answer to 4 decimal places.) Probability (b)What is the likelihood the sample mean is greater than $22.50 but less an...
A grocery stores studies how long it takes customers to get through the speed check lane....
A grocery stores studies how long it takes customers to get through the speed check lane. They assume that if it takes more than 10 minutes, the customer will be upset. Find the probability that a randomly selected customer takes more than 10 minutes if the average is 7.45 minutes with a standard deviation of 1.04 minutes. 0.007 0.071 0.993 0.501 The toasters produced by a company have a normally distributed life span with a mean of 5.8 years and...
Customers make purchases at a convenience store, on average, every nine minutes. It is fair to...
Customers make purchases at a convenience store, on average, every nine minutes. It is fair to assume that the time between customer purchases is exponentially distributed. Jack operates the cash register at this store. a-1. What is the rate parameter λ? (Round your answer to 4 decimal places.) a-2. What is the standard deviation of this distribution? (Round your answer to 1 decimal place.) b. Jack wants to take a seven-minute break. He believes that if he goes right after...
9. (15.24) The length of human pregnancies from conception to birth varies according to a distribution...
9. (15.24) The length of human pregnancies from conception to birth varies according to a distribution that is approximately Normal with mean 266 days and standard deviation 16 days. The probability that the average pregnancy length for 6 randomly chosen women exceeds 270 days is about a 0.40. b 0.27. c 0.07. 10. (15.12) The gypsy moth is a serious threat to oak and aspen trees. A state agriculture department places traps throughout the state to detect the moths. When...
1. The following is the probability distribution of the number of customers buying bicycle accessories at...
1. The following is the probability distribution of the number of customers buying bicycle accessories at a particular shop in one day. 1 4 X P(X = x) 0 0.05 2 0.15 3 0.25 5 0.30 6 0.05 0.10 a (a) (b) (c) Compute the value of a. Find the probability that the shop did not sell any bicycle accessory in one day. Find the probability that at least three customers bought from the shop in one day. Find the...
a) The probability is
(Round to four decimal places as needed.)
B) the store takes in at most $. ?
(Round to two decimal places as needed.)
A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $33 and a standard deviation of $19. Suppose the store had 312 customers this Sunday. a) Estimate the probability that the store's revenues were at least $10,800 b) If, on a typical Sunday, the store serves...
A food company sells salmon to various customers. The mean weig discount outlet stores in pallets of 64 salmon. To forecast costs, t ht of the salmon is 31 lb with a standard deviation of 2 lbs. The company ships them to restaurants in boxes of 9 salmon, to grocery stores in cart ons of 36 salmon, and to iles ostmers. the shipping department needs to est mate the standard deviation of the mean weight of the salmon in each...
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a standard deviation of $500. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions (a) What is the likelihood the sample mean is at least $25.00 decimal places and final answer to 4 decimal places.) Round z value to 2 Probability What is the likelihood the sample mean is greater than $2250 but less...
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50, with a standard deviation of $5.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions. (a)What is the likelihood the sample mean is at least $25.00? (Round z value to 2 decimal places and final answer to 4 decimal places.) Probability (b)What is the likelihood the sample mean is greater than $22.50 but less an...
1. The following is the probability distribution of the number of customers buying bicycle accessories at a particular shop in one day. 1 4 X P(X = x) 0 0.05 2 0.15 3 0.25 5 0.30 6 0.05 0.10 a (a) (b) (c) Compute the value of a. Find the probability that the shop did not sell any bicycle accessory in one day. Find the probability that at least three customers bought from the shop in one day. Find the...
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