In a village, power cuts occur randomly at a rate of 3 per year. Find the probability that in a given year there will be: a) Exactly 7 power cuts. b) At least 4 power cuts.

Q: Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or…

A: Given,n=5p=0.52Let X=no.of adults use their smartphonesin meetings or classes.X~Binomial(n=5 ,…

Q: 20) In one town, 45% of all voters are Democrats. If four voters are randomly selected for a survey,…

A: This is the case of binomial because there are only two possible outcomes, i.e., Democrats or not…

Q: assume that when adults with smartphones are randomly​ selected, 51​% use them in meetings or…

A: According to the question, we have 51% of adults use their smartphones in meetings or classes. Here,…

Q: Suppose that 15% of the population is left-handed. Find the probability that in group of 50…

A:

Q: In New York State's Quick Draw lottery, players choose between one and ten numbers that range from…

A: It is given that in a lottery game, players choose between 1 and 10 numbers that range from 1 to 80.…

Q: If a box contains 10 bulbs, of which just three are defective. If a random sample of five bulbs is…

A:

Q: In a five children family, find the probability that there will be at most 4 boys.

A: Given There are 5 children in a family.

Q: A fair coin is flipped 14 times, and the sequence of heads and tails is recorded. Find the…

A: if a coin is tossed than the p=P(getting a head)=12q=1-12=12and sample size(n)=14A random variable…

Q: Assume that when adults with smartphones are randomly​ selected, 45​% use them in meetings or…

A:

Q: A bag contains 5 (R)ed marbles, 10 (B)lue, and 7 (P)urple marbles. Find the Following: a. The…

A: a)GivenTotal number of Red marbles = 5Total number of Blue marbles = 10Total number of Purple…

Q: When three basketball players are about to have a​ free-throw competition, they often draw names out…

A: From the provided information, The total possibilities of drawing their names can be obtained as:

Q: A fair coin is tossed three times in a succession. Find the probability of getting exactly one head.

A: The Possible outcomes for a fair coin are tossed three times in a succession:

Q: wo cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Total number of cards = 52 The probability of getting a diamond card = 13/52 The probability of…

Q: Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or…

A:

Q: In a class of 30 students, 18 are men, 6 are earning a B, and no men are earning a B. If a student…

A: From the provided information, There are 30 students out of which 18 are men and so 12 will be…

Q: Assume that when adults with smartphones are randomly​ selected, 55​% use them in meetings or…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: Ten coins are thrown simultaneously. Find the probability of getting at least seven heads.

A:

Q: Assume that when adults with smartphones are randomly​ selected, 63​% use them in meetings or…

A:

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A:

Q: In a group of 103 students, 34 are diploma level and 22 are bachelor level. Find the probability…

A: Given that Group of 103 students 34 are diploma level and 22 are bachelor level Now, the number of…

Q: Assume that when adults with smart phones are randomly selected 56% of them use them in meetings or…

A: Here we need to find the required probability using the binomial distribution.

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: We have to find  probability..

Q: In the game of Keno, if six spots are marked, the player wins if four or more of their spots are…

A: Given that there are total 6 marked spots. Each spot can be selected or not selected. So 2 options…

Q: When ten basketball players are about to have a free-throw competition, they often draw names out of…

A: When 10 basket ball players are about to have a free throw competition, they often draw names out of…

Q: If you are dealt 4 cards from a shuffled deck of 52 cards, find the probability that all 4 cards are…

A: From the provided information, Total cards = 52 Total queens = 4

Q: Customers enter a department store at random at an average rate of six per minute. Determine the…

A:

Q: When ninebasketball players are about to have a​ free-throw competition, they often draw names out…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: 65% of all students at a college still need to take another math class. If 5 students are randomly…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A:

Q: Ten coins are thrown simultaneously. Find the probability of getting at least seven heads.

A:

Q: Assume that 158 voters aged 18-24 are randomly selected, suppose 22% of them voted. The probability…

A:

Q: A single die is rolled eight times. Find the probability that 5 appears at most three times.

A: It is given that a single die rolled 8 times. That is probability of getting a 5 on each trial is…

Q: 63% of all bald eagles survive their first year of life. If 39 bald eagles are randomly selected,…

A: (a)   Obtain the probability that exactly 23 of them survive their first year of life.   The…