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A bank manager wishes to provide prompt service for customers at the bank's drive-up window. The bank currently can serve up to 10 customers per 15-minute period without delay. The average arrival rate is 28 customers per hour. Let x denote the number of customers arriving per 15-minute period. Assuming x has a Poisson distribution:
Find the probability that 8 customers will arrive in a particular 15-minute period.
Find the probability that there will be customer waiting for service at the drive-up window.
Design a contingency table that will hold your data. What are your degrees of freedom and critical value at a 0.05 confidence level? You do not need data to answer this.
The value of the standardized test statistic
The Boss is a small Italian restaurant with 6 waiters and waitresses. The average service time at the restaurant for a table (of any size) in 80 minutes (exponentially distributed).
Find the value of x that corresponds to each of these standard scores z = -1.85.
How many waiters and busboys should report for work at the start of each time period to minimize the total staff required for one day's operation.
Two men are carrying a girl on a large plank that is 10m long and weights 200N. If the girl on a plank weighs 445N and sits 3m from one end, how much weight must each man support?
After a series of training sessions the restaurant determined the average waiting time was 86 min (s- 12 min) assume the population is normal. what % of patrons waited less than 90 min?
Compute the coefficient of determination, r 2 , and interpret its meaning.
If the airline industry proudly announces that it has set a new record for the longest period of safe flights, would you be reluctant to fly? Are the airlines due to have a crash? Explain your answer.
q1. two opponents a and b are to play a game which consists of two indenotpendent rounds. to win the game a player must
Based on anthropological reports in which the status of women is scored on a 10-point scale, the mean and standard deviation across many cultures are known. A new culture is found in which there is an unusual family arrangement.
Seventy-five percent of households say they woud feel secure if they had $50,000 in savings. You randomly select 8 households and ask them if they would feel secure if they had $50,000 in savings.
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