The Denver post reported that recent audios of LA 911 calls showed that 85% were it emergencies. Suppose 911 operators in LA have received 2 calls. (a) What is the probability that all two calls are, in fact, emergencies? (Round your answer to three decimal places.) (b) What is the probability that one or more calls are not emergencies? (Round your answer to three decimal places.) (c) What is the smallest number of calls n that the 911 operators need to answer to be at least 96% (or more) sure that at least one call is, in fact, an emergency? (Enter your answer as a whole numbe

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: A certain math conference has 9825 attendees.  Of these individuals, 5668 are college professors,…

A: Total no. of attendees in a math conference=9825of these individualsno. of college…

Q: If an event is certain not to happen, what is the probability of it happening? Give a numerical…

A: Answer:- If A be an event and is certain not to happen. Then we know that the probability of the…

Q: Mrs. Maria's Market buys 77% of eggs from farm A and the rest from farm B. Of the eggs from A, 7%…

A:

Q: If the probability that a randomly chosen college student is up to date on vaccines is 0.42, then…

A: The question is about probability Given : Prob. of a randomly chosen college stud. is up to date on…

Q: Suppose that 35% of people have a dog, 21% of people have a cat, and 16% of people own both. someone…

A: Given that,35% of people have a dog21% of people have a cat16% of people own both

Q: A survey of students found that 86% expect to pass the statistics test they are scheduled to take…

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Q: The probability that event AA will occur is P(A)=P(A)=0.64. What is the probability (in decimal…

A: GivenThe probability that event A will occur=0.64i.e.,P(A)=0.64

Q: In a certain city district, the need for money to buy drugs is stated as the reason for 76% of all…

A: Given data: p = 76 % = 0.76 n = 5

Q: In a city 20% of the cars are electric, 16% of the cars are red, and 13% of the cars are red…

A: From the given information, The probability of cars are electric is, 0.20 The probability of cars…

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Q: Question 32. There are 8 socks in your drawer: 4 black and 4 red. You take 3 of them with you in the…

A: Hi! Thank you for the question As per the honor code, We’ll answer the one question since the exact…

Q: In a certain city district, the need for money to buy drugs is stated as the reason for 63% of all…

A: Solution-: Given: n=5,p=0.63 (Or 63%) Our aim to find, (a) P(X=2)=? (b) P(X≤3)=?

Q: If the probability of a student taking a strength training gym class is 0.90, the probability of…

A: Given, The probability of a student taking a strength training gym class(P(A))=0.90 The probability…

Q: According to the british Ministry of Health, the probability of a woman developing breast cancer…

A: Given: Number of women (trials) = 10 Probability of breast cancer (p) = 310= 0.3 X be the binomial…

Q: Suppose you manage the demand for a towing company in Little Rock. On a usual day your company gets…

A:

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: if the probability of tea A winning is 0.76, what is the probability that the team will loose?

A: We have to find probability of loose.

Q: This problem involves students who have taken Calculus in high school. Assume that 25 percent of…

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Q: A doctor wants to know the probability that an infection will occur after performing a particular…

A: A doctor wants to know the probability that an infection will occur after performing a particular…

Q: Suppose that 22% of people have a dog, 15% of people have a cat, and 2% of people own both. What is…

A: Given that, 22% of people have a dog15% of people have a cat2% of people own both

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: Naval intelligence reports that 8 enemy vessels in a fleet of 20 are carrying nuclear weapons. If 5…

A: The total number of vessels, N=20The number of vessels carrying nuclear weapons, K=8The number of…

Q: What is the probability that exactly seven out of 12 students have healthy cholesterol levels?

A: A group of 12 students' cholesterol levels are tested. Suppose the probability of a student having a…

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A: Hyper geometric distribution: In a population with N objects, M be the number of success event. A…

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A:

Q: If the probability that a company will win a contract is 0.3, what is the probability that it will…

A: Given that  The probability that a company will win a contract = P(A) = 0.3

Q: A certain affects virus 0.2% of the population. A test used to detect the virus in a person is…

A: From the given information the test used to detect the virus in a person is positive 90% of the time…

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Q: Brian is undecided as to whether to take a French course or a Russian course. He estimates that his…

A: Answer  Given  Probability of receiving an A grade would be in a French course =1/3 and in Russian…

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Q: In average the number of people entering the intensive care unit at the particular hospital on any…

A: Step 1: Identify the formula to be usedWe will use Poisson distribution in this case since there is…

Q: A flu test shows that about 31% of all patients visited the hospital. Suppose that 90 patients…

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Q: A group of 11 students' cholesterol levels are tested. Suppose the probability of a student having a…

A: sample size(n)=11Probability of a student  having a healthy cholesterol level(p)=0.25