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A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line
A telephone company's goal is to have no more than 6 monthly line failures on any 100 miles of line. The company currently experiences an average of 2 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100 miles of line. Assuming x has a Poisson distribution: (a) Find the probability that the company will meet its goal on a particular 100 miles of line. (Do not round intermediate calculations. Round...
A telephone company's goal is to have no more than 3 monthly line failures on any 100 miles of line. The company currently experiences an average of 5 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100 miles of line. Assuming x has a Poisson distribution: (d) Find the probability that the company will have more than 12 monthly failures on a particular 150 miles of line. (Do not round...
A telephone company's goal is to have no more than five monthly line failures on any 100 miles of line. The company currently experiences an average of 4 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100 miles of line. Assuming x has a Poisson distribution: (a) Find the probability that the company will meet its goal on a particular 100 miles of line. (b) Find the probability that the...
A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line. The company currently experiences an average of 5 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100 miles of line. Assuming x has a Poisson distribution: (a) Find the probability that the company will meet its goal on a particular 100 miles of line. (Do not round intermediate calculations. Round...
A telephone company’s goal is to have no more than five monthly line failures on any 100 miles of line. The company currently experiences an average of two monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100 miles of line. Assuming x has a Poisson distribution: a. Find the probability that the company will meet its goal on a particular 100 miles of line. b. Find the probability that the...
A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line. The company currently experiences an average of 4 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100 miles of line. Assuming x has a Poisson distribution: (a) Find the probability that the company will meet its goal on a particular 100 miles of line. (Do not round intermediate calculations. Round...
A retail store has implemented procedures aimed at reducing the number of bad checks cashed by its cashiers. The store's goal is to cash no more than eight bad checks per week. The average number of bad checks cashed is 11 per week. Let x denote the number of bad checks cashed per week. Assuming that x has a Poisson distribution: Find the probability that the store's cashiers will cash no more than five bad checks per three-week period. (Round...
If the number of calls received per hour by a telephone answering service is a Poisson random variable with parameter A 6, what is the probability of waiting more than 15 minutes between any two successive calls? Select one: O a. 0 O b. 1 O C. 8.1940e-40 O d. 0.167 Check If the number of calls received per hour by a telephone answering service is a Poisson random variable with parameter A 6, what is the probability of waiting...
explained by the least-squares regression line. c. For each additional 1000 miles driven, the tread depth of the tire is expected to decrease by 11.39 mils. d. For a new tire (not driven on yet), the tread depth of that tire is expected to be 360.64 mils 10. A mail-order computer software business has six telephone lines. Let x denote the number of lines in use at specified time. The distribution of x is as follows: 4 P(x 10 15...
0.00 points A lelephone companys go is 10 have no more i an 4 men i re la ures on any 10 mi es ๙ ine. The compar o me ir e e er ces an average o 6 monui i e aiures per 0 miles o ne Let x de 0 e lhe n moer o mon í a) Find the probabllty thar the company wil moet its goal on a particular 100 miles of Inc (Do not round...