In certain country, 38% of the population has type A blood. Suppose 30 people from that country are randomly chosen. Find the probability that: (a) exactly twenty-two people have type A blood.  (b) strictly more than twenty people have type A blood.  (c) at most twenty-seven people have type A blood.

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: 2. From a box containing 4 dimes and 2 nickels, 3 coins are selected at random without replacement.…

A: To find the probability distribution for the total T of the 3 coins, we need to consider all…

Q: Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes.…

A: Let X be the number of adults use their smartphones in meeting or classes which follows binomial…

Q: shop receives a batch of 1000 cheap laptops. The probability that a laptop has a defective part is…

A: Given that  n=1000 , p=0.5%=0.005

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: It is given that the random variable X follows Binomial distribution with parameter p = 47% = 0.47…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: Given: p=36%=0.36 n=8 According to binomial probability: PX=x=Cxnpx1-pn-x

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: Ans# - Given, n =20, P = 39% = 0.39            Find   P(x = 12)  = ?

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

A: Given ,Probability of using smartphones in meeting or classroom  , P = 0.46So,q = 1 - 0.46 = 0.54…

Q: It is claimed that 20% of the people in a particular region have an infection. Suppose that ten…

A: Given: n=10, p=0.20.

Q: In a factory producing light bulbs, the quality control team randomly selects 100 bulbs from a batch…

A: The number of selected bulbs, n=100.The number of defective bulbs, x=10

Q: The probability is (Round to four decimal places as needed.)

A: In this case, there are two possible outcomes for each trial, classified as a success (Use of…

Q: According to a health​ publication, 12.8​% of persons under the age of 65 have no health insurance…

A: a. The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: The probability is (Type an integer or decimal rounded to four decimal places as needed.)

A: It is given that the number of observations are independent with the probability of success p = 46%…

Q: Planet X has 73 calendar days. What is the probability that in a room with 11 inhabitants of Planet…

A: To solve this, we can first calculate the probability that none of the 11 inhabitants share a…

Q: A recent survey of 1090 U.S. adults selected at random showed that 685 consider the occupation of…

A: The question is about prop. Given : Randomly selected no. of adults ( n ) = 1090 No. of adults…

Q: Determine the probability distribution for the​ number, X, who have no health insurance coverage. b.…

A: According to health publication, 17.3% of persons under age of 65 have no health insurance coverage.…

Q: The mean number of defective units in a large assembly line is 4.3 units per day . Find the…

A: It is given that, The mean number of defective units in a large assembly line is 4.3 units per day.…

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: We have given that,  X be the random variable from binomial distribution with trails (n) = 11 and…

Q: Find the probability of meeting at least one left handed person in 8 person encounter on campus when…

A: Given Information Probability of left-handed person = 0.11

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: We have to find given probability..

Q: In a recent pol, a random sample of aduts in some country (18 years and older) was asked, "Wheni you…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

Q: Suppose that a policeman with a radar gun is watching traffic pass on a street where it is the case…

A:

Q: ..s) A researcher studied the relationship between coffee drinking and heart attacks in young women.…

A: Find ( A ) P ( heavy and heart attack )  =? (  B ) p ( heart attack / heavy )  =?

Q: A newspaper finds that the mean number of typographical errors per page is seven. Find the…

A: Solution

Q: What is the probability of a group of 4 having a score of at least 60 if the mean is 50 and SD is 8?

A: It is given that  Mean, μ = 50 SD, σ = 8

Q: Let X be the Random Variable representing the number of boys in families with 3 children. Find the…

A: Solution-: Let X be the Random Variable representing the number of boys infamilies with 3 children.…

Q: Q.It has been found that on an average the number of mistakes per typed page of a typist is 1.5.…

A:

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 population consists of the four numbers: 2, 3, 6, and 9. You have to consider all possible samples…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Assume that when adults with smartphones are randomly​ selected, 44% use them in meetings or…

A: Given that adults with smartphones are randomly​ selected, 44% use them in meetings or classes. We…

Q: Assuming no other ethnicity group is represented, what is the probability of a death row inmate…

A: A distribution of probability of race and/or ethnicity of the inmates is:   African American…

Q: for a publisher of technical books, the probability that any page contains at least one error is p =…

A: Given that  n=1000 , p=0.005

Q: Suppose x is a uniform random variable with values ranging from 40 to 90. Find the probability that…

A: given data  x is uniformly distributed between 40 and 90.  X~U(40,90) P(x>55) = ?