The telephone lines serving Oman Air reservation office are all busy about 60% of the time.(a) If you are calling this office, what is the probability that you will complete your call (theoffice will answer your call) on the first try or the second try?(b) If you and a friend must both complete calls to this office, what is the probability that atotal of five tries will be necessary for both of you to get through?

Given: q=P(Busy)=0.60p=P(Not busy) =1-P(Busy) =1-0.6 =0.4 X follows negative binomial…

Answered: The telephone lines serving Air…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You are an analyst for a consumer products company. You run a survey of 1000 customers and find that 80% of customers use gel packs for laundry detergent (the rest use liquid or powder) and 40% of customers use gel packs for their dishwasher detergent (the rest use liquid or powder). You also learn that twice as many customers use laundry detergent than dishwasher detergent.
Suppose on a CD, you like 10 out of 13 songs. If you randomly select four songs to be played once, what is the probability that(a) You like 3 of the songs out of the 4? Enter your answer rounded to two decimals. (b) You like the first two songs and then dislike the second two songs, in that order? Enter your answer rounded to two decimals.
A person rides uber 30% of the time, her roommate gives her a ride 30% of the time and she rides with her mom 40% of the time. She is late 10% of the time with her roommate she is late 3% of the time when she rides uber and 7% of the time when she rides with her mom. What is the probability that she wil be on time if she rides with her roommate?
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Hi! I pretty much don't understand this problem that was presented on my Statistics class
Please answer both questions please. I'd really appreicate it. Thank you.
You will take either a basket weaving class or a philosophy class, depending on what your advisor decides. You estimate that the probability of getting an A in basket weaving is 0.35 (it is a hard class), while in philosophy your probability of getting an A is 0.84. However, your major is straw construction, and the chance of your advisor choosing the philosophy class is only 40%. What is the probability that you get an A? The probability that you get an A is (Give the exact simplified probability.)
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You are an analyst for a consumer products company. You run a survey of 1000 customers and find that 80% of customers use gel packs for laundry detergent (the rest use liquid or powder) and 40% of customers use gel packs for their dishwasher detergent (the rest use liquid or powder). You also learn that twice as many customers use laundry detergent than dishwasher detergent.
A door-to-door salesman expects to make a sale 14% of the time when starting the day. But making a sale increases his enthusiasm so much that the probability of a sale to the next customer is 0.39. If he makes no sale, the probability for a sale to the next customer stays at 0.14. What is the probability that he will make at least two sales with his first three visits?

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