Find the probability that 2 or more repair calls will be received in the next hour.

Q: When rolling a number cube 800 times what is the probability that a 2 or 5 would be rolled

A: Total Number of faces = 6 P(2) =1/6 P(5)= 1/6 Now, Probability of 2 or 5 is: P(2∪5)=P(2)+P(5)-P(2∩5)…

Q: Find the probability of getting 3 face cards (king, queen, or jack) when 3 cards are drwn from a…

A: The total cards in a standard deck = 52 Total face cards in a deck = 12

Q: If the probability that the Yankees will win a baseball game is 60%, find the probability that the…

A: The probability that Yankees will win a baseball game is 60%, that is PWinning=0.60.

Q: In a recent semester at a local university, 600 students enrolled in both statistics I and…

A: In a recent semester at a local university, 600 students enrolled in both statistics I and…

Q: Find the probability that a child flipping an old coin gets the second head on the 8th flip.

A: Here, x=8, k=2 and p=0.5. The general formula for the negative binomial distribution is,…

Q: A batch consists of 7 defective spark plugs and 33 good ones. Find the probability of getting two…

A: This is a case of a Poisson random variate. A discrete random variable X is said to follow Poisson…

Q: Suppose a jar contains 12 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A:

Q: ass, 75% of students are taking an English class, and 57% of students are taking both. Find the…

A:

Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: Find the probability of obtaining an even number in one roll of a die.

A:

Q: On average, you receive four pieces of junk mail a day. Find the probability that you receive next…

A: Given that On average, we receive four pieces of junk mail a day. Than we have to find the…

Q: Determine the probability of drawing a red card and then the ace of spades from a regular deck of…

A:

Q: Find the probability that the day of the week begins with a T or a W

A: We know, number of days in a week = 7 set of days in a week = {Monday, Tuesday, Wednesday, Thursday,…

Q: There are 4 sets of balls numbered 1 through 11 placed in a bowl. If 4 balls are randomly chosen…

A:

Q: Find the probability that on 8 attempts, he will miss at least one

A: Given that p=75%=0.75, q=1-p=1-0.75=0.25, n=8 p be the probability of basketball player making a…

Q: Find the probability of drawing an ace at least once when you draw a card from a standard deck of…

A: Given data A standard deck of cards is given

Q: Out of 27 students in a class, 7 major in Nursing. Find the probability that two randomly selected…

A:

Q: A box contains 5 white,2 red and 2 black balls. If 3 are drawn in succession Which is the…

A:

Q: 10% of people born as girl . Calculate the probability that in a batch of 150 students,more than 130…

A:

Q: A machine has 28 identical components which function independently. The probability that a component…

A: From the provided information, Sample size (n) = 28 The probability that a component will fail is…

Q: When dealt with 2 cards successfully without replacement from a shuffled deck of 52 cards. Find the…

A: We can pick 2 cards from 52 cards in 52×51=2652We can get a spade at first in 13 ways.We can get a…

Q: A person randomly picks one of the numbers 1, 2 or 3, with identical probability each, and then…

A:

Q: Determine the probability that 31​, 32​, 33​, 34​, or 35 flights will arrive on time

A: We have given that Sample size, n = 39 Probability of success, p = 0.819

Q: 9 people are randomly​ selected, find the probability that no 2 of them have the same birthday.…

A: Given If 9 people are randomly​ selected, find the probability that no 2 of them have the same…

Q: In a large school, it was found that 71% of students are taking a math class, 72% of student are…

A: Given : In a large school, it was found that 71% of students are taking a math class, 72% of student…

Q: In a certain coffee shop, each customer orders exactly one cup of coffee, and 60% of customers order…

A:

Q: A Bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double…

A:

Q: In a large school, it was found that 69% of students are taking a math class, 75% of student are…

A: Let A be the event found that a student taking a Math class. And B be the event found that a student…