e, incoming calls 30% A particular telephone number is used to receive both voice calls and...
4. A particular telephone number is used to receive both voice calls and fax messages. Suppose that 25% of the incoming calls involving fax mes- sages, and consider a sample of 25 incoming calls. (Hint: Is this a binomial distribution? (Show your work, even though you can find the answers from the calculator.)] (i). What is the probability that a. At most 6 of the calls involve a fax message? b. Exactly 6 of the calls involve a fax message?...
A particular telephone number is used to receive both voice calls and fax messages. Suppose that 25% of the incoming calls involve fax messages, and consider a sample of 20 incoming calls. (a) What is the expected number of calls among the 20 that involve a fax message? E(X) = (b) What is the standard deviation of the number among the 20 calls that involve a fax message? (Round your answer to three decimal places.) σX = (c) What is...
A particular telephone number is used to receive both volce calls and fax messages. Suppose that 25 of the incoming calls involve fax messages, and consider a sample of incoming calis (Round your answers to three decimal places.) (a) What is the probability that at most of the calls involve a fax message? (b) What is the probability that exactly 4 of the calls involve a fax message? (c) What is the probability that at least 4 of the calls...
Aparticular telephone runter your answers to three decimal places) used to receive h voice calls and fax messages. Suppose that 20% of the incoming calls mvolve fax messages, andconsider a opie or 20 ncongan (a) What is the prebability that at most 7 of the calls involve a fax 0 055 memage (b) What is the prebablaty that exactly 7 of the calis iwolve a fax message? (e) what is the probability that at least 7 of the calls invoive...
0/2 points Previous Answers DEVORESTATS 3.E.051. My Notes Ask Your Teacher A particular telephone number is used to receive both voice calls and fax messages. Suppose that 25% of the incoming calls involve fax messages, and consider a sample of 20 incoming calls. (a) What is the expected number of calls among the 20 that involve a fax message? E(X) = (b) What is the standard deviation of the number among the 20 calls that involve a fax message? (Round...
A particular telephone number is used to receive both voice calls and fax messages. Suppose that 25% of the incoming calls involve faxmessages, and consider a sample of 25 incoming calls. (Round your answers to three decimal places.)(a) What is the probability that at most 4 of the calls involve a fax message?(b) What is the probability that exactly 4 of the calls involve a fax message?(c) What is the probability that at least 4 of the calls involve a...
Write bimomial or Poisson: A particulr telephone mber is used to moelve both volce calls and fat mesages. Suppose that 25% of the incoming all involve fx mesages, and consider a imple of 25 incoming calls. What is te probability d aAtmot 6 of tdhe calle olea fa mge Eaty 6 of the calls ivolve a fax mge? At ast 6 of de calle ivolve a farmge? 4 More than 6 of de cals ivelve a fa message? The mber...
For a particular office telephone, seven telephone calls are randomly received in a week, and these calls are randomly distributed among the seven days. What is the probability that no call will be received on exactly one day? sample space = 7^7 my rationale was that no call received on exactly one day = at least one call on other 6 days and 2 calls on 1 0f the 6 days. So we first do 7C6 to select the days...
1. A) Suppose that incoming calls per hour to an agent of a customer service center of a small credit union are uniformly distributed between 0 and 6 calls. If the center has 10 independent agents, what is the probability that exactly 5 agents receive between 2 and 5 calls? 0.2461 0.2051 0.6230 0.5 0 B) Suppose that incoming calls per hour to an agent of a customer service center of a small credit union are uniformly distributed between 0...
When an opinion poll calls landline telephone numbers at random, approximately 30% of the numbers are working residential phone numbers. The remainder are either non-residential, non-working, or computer/fax numbers. You watch the random dialing machine make 20 calls. Round all answers to four decimal places. Blank #1: What is the probability that exactly three calls reach working residential numbers? Blank #2: What is the probability that at most three calls reach working residential numbers? Blank #3: What is the probability...