What is the probability that there are between 26 and 35 messages in the next hour? 2. What is the probability that there are exactly 30 messages in the next two hours? 3. What is the average for the variable, T?

Q: 5.2) If NBA player Steve Nash's free throw percentage is 89%, determine the probability that the he…

A: Binomial distribution is given by

Q: Suppose 59% of vegetarians are women. Suppose a random sample of 500 vegetarians is taken. What is…

A: Answer: From the given data, Population proportion of vegetarians who are women (P) = 59% = 0.59…

Q: The World Economic Forum found that 12% of the U.S. population earns more than $2M per year. Amazon…

A:

Q: If B is the event that a student selected from the MST class is a Biology student and C is the event…

A: It is given that B : a student is a Biology student.  C : A student is charming

Q: American Airtines' flights from Denver to Atlanta are on time 90 % of the time. Suppose 14 flights…

A: Givenp=0.9n=14Let "x" be no.of on-timex~Binomial(n=14,p=0.9)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1...,n

Q: 3. In the mass production of bolts it is found that 5% are defective. Bolts are randomly selected…

A: Givenn=10p=0.05Let X=no.of defective boltsX~Binomial (n=10 , p=0.05)P(X=x)=10x 0.05x 1-0.0510-x   ;…

Q: 3. The average number of accidents per day at a major intersection in the city of Pittsburgh is 0.8.…

A:

Q: What is mean and variance of the probability distribution?

A:

Q: Delta Airlines' flights from Boston to Seattle are on time 60 % of the time. Suppose 10 flights are…

A: For a defined random variable, X~B(n,p), the pmf is P(X=x)=nCxpxq(n-x) ; x=0,1,2,..n…

Q: The probability that an item made by a certain company will be defective is 0.1. Compute the…

A: Given: Probability of defective item is, p=0.1. Number of items is batch is, n=10. The objective…

Q: The probability that  some event A  happens at least once in 4 independent experiments is 0.9744.…

A: Answer:- Given, The probability that  some event A  happens at least once in 4 independent…

Q: 1. Identify 20 students as your sample. From each of the identified student, get information about…

A:

Q: Delta Airlines' flights from Boston to Seattle are on time 60 % of the time. Suppose 9 flights are…

A: Given : Delta Airlines flights from Boston to Seattle are on time 60% Let p : Proportion of flights…

Q: The number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4.8…

A: Given that:The number of accidents occurring on a busy intersection is following a Poisson…

Q: A survey of 100 people in New York City., NY found that, The probability that they take the subway…

A:

Q: Imagine that the probability that a random person will receive a phone call during this exam is…

A: Let A be the event that a person will receive a phone call during the exam, its probability is given…

Q: Among 110 Grade 9 students at a public high school, only 25 are athletes. if 10 of the students are…

A: The sample of the number of students is n=10. The probability of 25 students are athlete,…

Q: The probability that an UofM student is from the Greater Toronto Area is only .25. What is the…

A:

Q: outh Smoking Twò ðut 8I cquired the habit by age 14. If 400 smokers a andomly selected, find the…

A: Given X~ Binomial n=400 p=0.4

Q: the duration of a professor's class has a uniform distribution between 50.0 minutes and 52.0…

A: It is given that the duration of the professor’s class follows U(50,52).

Q: The number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4.5…

A: (a) To find the probability of no accidents occurring in one week at the intersection, we can use…

Q: What is the probability that the sample proportion is greater than 0.61? b. What is the probability…

A: Let p be the population proportion. Given that p = 0.59 And sample size is n = 656 Note : According…

Q: Probability 1. A bag of marbles consists of 4 blue, 3 red, and 2 green marbles. If 4 marbles are…

A:

Q: he number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4 per…

A: Given,  number of accidents per week (lamda)=4   Poission distribution is P(X=x)=e-lamda*lamdaxx!

Q: Consider a food stall offering “Biryani” and “Pulao” at a distant place in Karachi. Since people in…

A: Given data,  the probability that a customer would order biryani is p=0.8

Q: A population proportion is 0.61. Suppose a random sample of 655 items is sampled randomly from this…

A:

Q: 6. Suppose you run an experiment where you repeatedly chuck a snail out into the road and observe…

A: From the given information,Probability of hitting a car P = 30% = 0.30Randomly selected chucking…

Q: The probability that a randomly selected individual in a certain community has made an online…

A: We have to find out given probability...

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: Suppose a coin and a die are tossed. Let X be the random variable representing an even number.…

A: Here the coin and die are tossing simultaneously. Here the sample space , S = {(1,H) , (1,T) , (2,H)…

Q: A survey indicates that 65% of people prefer coffee over tea. If 20 people are randomly selected,…

A: probability that people prefer coffee over tea(p)=0.65sample size(n)=20Let "x" no. of people who…

Q: Delta Airlines' flights from Denver to Atlanta are on time 50 % of the time. Suppose 14 flights are…

A:

Q: Assume that 10% of people are left-handed. Condsider a random sample of 5 people. What is the…

A:

Q: Trains arrive at a major train-station randomly and independently; the probability of an arrival is…

A: GivenMean arrival rate is 4 trains per hour λ=4 trains per hourLet "x" be the no.  trains will…

Q: Suppose 22% of students at a certain university are out of state students. A professor takes a…

A: Consider X be a random variable which follows binomial distribution indicates the number of out of…