What is the probability that a randomly selected student prefers rock and sings in the shower 0 times a week?

Q: A four-person is selected at random from a population of 14 men and 16 women. What is the…

A:

Q: A company that advertises on the radio in a certain area receives on average 11 calls everytime it…

A: Formula : poisson distribution is given by

Q: If 50 of 250 people contacted make a donation to the city symphony, the probability of outcome of…

A:

Q: find the probability that exactly 2 people willget enough sleep each night?

A:

Q: 5 people are chosen randomly from 4 women and 5 men to participate in an event.  What is the…

A:

Q: etermine the probability of having 2 girls and 3 boys in a 5​-child family assuming boys and girls…

A: Here, Number of boys=3 Number of girls=2 Total children n=5  assuming boys and girls are equally…

Q: die is rolled three times. What is the chance that at least one roll shows 1 spot?

A: Given, experiment:-if die rolled three times. then number of elements in sample space(S)=63=216

Q: What is the probability of obtaining blue followed by green or purple?

A: Given ,First spinner is having three different colours pink, blue, brown.Second spinner is having…

Q: If 25 male college students are randomly​ selected, find the probability that their mean weight gain…

A: It is given that the mean is 1.2 and standard deviation is 5.6.

Q: Kenya airways quote a flight of 2hrs and 25min for it's the flight from Kenya to juba. Suppose we…

A: From the given information, Kenya airways quote a flight of 2hrs and 25mins for its flight from…

Q: Suppose a class has 30 students, 13 male and 17 female. What is the probability that if a teacher…

A: It is given that the class consists of 30 students of which 13 are male and 17 are female. Teacher…

Q: the probability of rolling “5” after 6 rolls is 1/6, what is the complement of the  probability of…

A: Given that  The probability of rolling “5” after 6 rolls=P(A)=1/6

Q: Time magazine reported that when 19,218 gas masks from branches of the military were tested, it was…

A: The number of masks are tested is 19,218.

Q: If you toss 6 coins, what is the probability of all 6 coins matching?

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Q: Find the probability of getting three or more cars that fail among six cars tested

A: Solution: To find: The probability of getting three or more cars that fail among six cars tested.?

Q: What is the probability of selecting a red marble from a bag containing 8 red marbles, 10 blue…

A: Here we need to find the probability of selecting a red marble from the bag.

Q: What is the probability of getting either a sum of 7 or at least one 6 in the roll of a pair of​…

A: We can get sum of 7 if the outcomes are: (1,6) , (6,1) , (2,5) , (5,2) , (3,4) , (4,3)

Q: assume that when adults with smart phones are randomly selected 58% use them in meetings or classes…

A: This is a Binomial Distribution Problem, therefore we can use the formula:…