Question

In: Statistics and Probability

A clothing store is open each day for 12 hours. On average, the store gets 120...

A clothing store is open each day for 12 hours. On average, the store gets 120 customers per day. Round each answer below to the nearest hundredth.

a. Find the probability that the store gets 140 or more customers today.

b. Find the probability that the store gets 15 or more customers in the first hour of business.

c. Find the probability that the store gets 40 or more customers in the first three hours of business.

**Please show me how to put this into a calculator Ti- 84**

Solutions

Expert Solution

orchestra answered 1 year ago
Next > < Previous

Related Solutions

A grocery store is open 24 hours a day, seven days a week. It has the...
A grocery store is open 24 hours a day, seven days a week. It has the following daily requirements for cashiers: Time                             Minimum # of cashiers 0100 – 0400                              7 0400 – 0700                              4 0700 – 1000                              9 1000 – 1300                              12 1300 – 1600                              15 1600 – 1900                              17 1900 – 2200 19 2200 – 0100                              13 A cashier may start work at the beginning of any one of the shifts and, having begun, works 9 consecutive hours. Each...
Michelle's Classic Clothing Store has extended credit to customers on open account. Its average experience for...
Michelle's Classic Clothing Store has extended credit to customers on open account. Its average experience for each of the past 3 years has been as follows: Michelle Lebeck is considering whether to accept bank cards (for example, VISA or MasterCard). She has resisted because she does not want to bear the cost of the service, which would be 4% of gross sales. The representative of VISA claims that the availability of bank cards would have increased overall sales by at...
Lynn is thinking about leaving her job as a CPA to open a clothing store. The...
Lynn is thinking about leaving her job as a CPA to open a clothing store. The estimated revenue for a year is $200,000. Her costs are $120,000 in rent, insurance, utilities, equipment, and inventory. She would also be forgoing her wages of $75,000 in order to run her business full time. a. What is her accounting profit? b. What is her opportunity costs? c. What is her economic profit? d. Should she leave her job and open this clothing store?
The average teenager gets 7 hours of physical activity in a given week, with a standard...
The average teenager gets 7 hours of physical activity in a given week, with a standard deviation of 0.5. Michelle Obama’s Lets Move! Initiative encourages schools to add more physical activity into the school day. They add additional physical education classes and extra recess activities. 25 students are selected at random and report how many hours of physical activity they had in the last week. The mean is 7.18. Find Cohen’s d. What is the strength of this value? Does...
The capacities (in ampere-hours) were measured for a sample of 120 batteries. The average was 178...
The capacities (in ampere-hours) were measured for a sample of 120 batteries. The average was 178 and the standard deviation was 12. a.) Find a 95% lower confidence bound for the mean capacity of this type of battery. Round the answer to two decimal places. b.) An engineer claims that the mean capacity is greater than 175 ampere-hours. With what level of confidence can this statement be made? Express the answer as a percent and round to two decimal places.
A hospital does many surgeries in a day. A standard hospital is open 24 hours with...
A hospital does many surgeries in a day. A standard hospital is open 24 hours with no breaks in a day. In examining patient flow and surgery process in a 2 hour period. Let us assume a long lineup of over 1000 people waiting for surgery. Surgery involves the following steps: A. Check driver's licence, 60s on average exponential distribution. B. Talk with patient about preexisting health problems, which is 90s. C. Doing the surgery, which takes 180s or 3...
Fashionisto Inc. is an upscale clothing store in New York City and London. Each store has...
Fashionisto Inc. is an upscale clothing store in New York City and London. Each store has two main departments, Men’s Apparel and Women’s Apparel. Marie Phelps, Fashionisto’s CFO, wants to use strategic performance measurement to better understand the company’s financial results. She has decided to use the profit center method to measure performance and has gathered the following information about the two stores and the two departments of the New York City store: Total net sales $ 4,500,000 Fixed costs...
Over a three day period a clothing store sold the following number of shirts: 51, 65,...
Over a three day period a clothing store sold the following number of shirts: 51, 65, and 44. Over the same period the clothing store had 3, 6, and 1 sales staff working on the shop floor. Answer the following questions: Enter your final answers in the boxes below. Show ALL working by uploading your handwritten working for this question to Laulima Dropbox within 15 minutes of completing your exam. Correct answers without working shown will not receive full credit....
Sleep (Raw Data, Software Required): Assume the general population gets an average of 7 hours of...
Sleep (Raw Data, Software Required): Assume the general population gets an average of 7 hours of sleep per night. You randomly select 35 college students and survey them on the number of hours of sleep they get per night. The data is found in the table below. You claim that college students get less sleep than the general population. That is, you claim the mean number of hours of sleep for all college students is less than 7 hours. Test...
Sleep (Raw Data, Software Required): Assume the general population gets an average of 7 hours of...
Sleep (Raw Data, Software Required): Assume the general population gets an average of 7 hours of sleep per night. You randomly select 35 college students and survey them on the number of hours of sleep they get per night. The data is found in the table below. You claim that college students get less sleep than the general population. That is, you claim the mean number of hours of sleep for all college students is less than 7 hours. Test...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT