(a) Find the probability that all four have type B' blood.

Q: A manufacturer of blades knows that 5% of his product is defective. If he sells blades in boxes of…

A:

Q: A fair die is rolled four times. What is the probability of obtaining no 2​'s?

A: Given a fair die rolled four times.

Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

A:

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 7 seeds are planted,…

A:

Q: If a seed is planted, it has a 70% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Given, n=12 probability of grow = 70%                                  = 0.70

Q: On average, 1 out of every 10 radiation caps leaks right out of the box. What is the probability…

A: Given Information:  Probability of a leaked radiation cap = 1/10 = 0.1  Number of newly manufactured…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Sample size, n = 12 Probability(grow) = 95% = 0.95

Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

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

Q: Eighty-two % of trees planted by a local landscaping company survive. In a random sample of 200…

A: Solution

Q: If a seed is planted it has 70% chance of growing into a healthy plant. if 12 seeds are planted…

A: Let "X" be the seed planted don't grow into a healthy plant.

Q: A manufacturer of pins knows that on an average 5% of his product is defective. He sells pins in…

A:

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 7 seeds are planted,…

A: Given that,Sample size, n = 7 Probability(grow) = 80% = 0.80 Probability(do not grow) = 1 -…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 12 seeds are planted,…

A: 60% chance of growing into a healthy plant i.e. Probability(grow) = 0.60 Probability(doesn't grow) =…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 11 seeds are planted,…

A: If 11 seeds are planted, what is the probability that exactly 2 don't grow will be equal to the…

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 8 seeds are planted,…

A: Let X be the random variable such that the number of seeds planted will grows into a healthy plant.…

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 11 seeds are planted,…

A:

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 7 seeds are planted,…

A:

Q: the person who has flu 1s vaccl. 5 Record of an electrical shop shows that 75% of the customers who…

A: We have to find given probability.

Q: Based on data from the U.S. Center for Health Statistics, the death rate for males in the 15-24 age…

A: It is given that the death rate for males in the 15-24 age group is 114.4 per 100,000 population.

Q: A certain hospital claims that 70% of the patients die of chronic diseases.  What is the probability…

A: Solution-: Let, X= Number of  patients recover of chronic diseases among 6 randomly selected…

Q: A fair die is rolled three times. What is the probability of obtaining at least two 5​'s?

A: Given a fair die rolled three times.

Q: A study of an ant colony over a certain area showed an average of 1 infected ant per 20,000 ants. If…

A:

Q: On average, Connor has noticed that 7 trains pass by his house daily (24 hours) on nearby train…

A:

Q: In a production process defectiveness rate is 0,6 and we assume that inspections are independent.…

A:

Q: A coin is biased in such a way that a head is twice as likely to occur compared to a tail. What is…

A:

Q: A manufacturing process that produces electron tubes is known to have a 10% defective rate. Suppose…

A: Solution : here X is random variable tube is defective.       X~Binomial(n=15 , p=0.1) i.e. X…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Given information- We have given a problem of binomial distribution. We have given that if a seed is…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 7 seeds are planted,…

A: The probability that the plant doesn't grow into a healthy plant (p) .

Q: Is a seed is planted it has 85% chance of growing into a healthy plant if 12 seeds are planted ,…

A: Given data, Probability of  growing into a healthy plant is =85%=0.85 Let p be the probability that…

Q: A factory produces computer chips with a 12% defect rate. In a batch of 10 computer chips. What is…

A: Given that a factory produces computer chips with a 12% defect rate.Sample size, n = 10

Q: Assume that there is a 6% rate of disk drive failure in a year. If all your computer data is stored…

A: There was 6% rate of disk drive failure in a year. This means that 94% rate of disk drive does not…

Q: If a seed is planted, it has a 65% chance of growing into a healthy plant. If 6 seeds are planted,…

A:

Q: What is the probability of getting exactly three tails when three coins are tossed?

A: Coin is tossed three times.

Q: Suppose a cruise ship returns to the United States from an overseas voyage. Unbeknownst to anyone, 4…

A: # let x be the nonof passenger having disease follow binomial distribution (n=20, p=1/150)  Then to…

Q: Based on data covering two consecutive school years, the National Safety Council found that fourth…

A: It is given that injuries rate is 2.4 per 100,000 students-day. Thus, the average number of student…

Q: If a seed is planted, it has 75% chance of growing into healthy plant. If 12 seeds are planted,…

A: Given that, 75% chance of growing into healthy plant.  Sample size = 12

Q: A fair die is rolled five times. What is the probability of obtaining at least four 3​'s?

A:

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 9 seeds are planted,…

A:

Q: A fair die is rolled two times. What is the probability that both rolls are 6?

A:

Q: A fair die is rolled four times. What is the probability of obtaining at least three 4​'s?

A: At least three means 3 or 4 Let X= number of times 4 comes n=total number of trials=4 p=probability…

Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

A: The probability that the adult is infected with virus is 0.004. When at least one of the person has…

Q: FInd the expected number of infected ducks in a sample of 5 ducks if the probability of an infected…

A: Given dataNo of ducks = 5Probability of an infected duck p = 0.3Using Binomial theoremProbability of…

Q: Find the expected number of infected ducks in a sample of 5 ducks if the probability of an infected…

A: Let the random variable X represents the number of infected ducks.It is given that the probability…

Q: Assume that 2% of the Brazilian population had dengue fever and that a test correctly identified the…

A:

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 10 seeds are planted,…

A: We have to find given probability.

Q: The records of an Italian shoe manufacturer show that 10% of shoes made are defective. Assuming…

A:

Q: I roll an ordinary, six-sided die eight times in a row, what is the probability that at least six of…

A: It is given that a six-sided die eight times in rolled. Hence, the probability of getting the value…

Q: A safety engineer claims that only 30% of all workers wear safety helmets when they eat lunch at the…

A: The Probability mass function for Binomial distribution is given by                     P(X=x)=ncx…

Q: Find the probability that exactly four defectives are found

A: Given: A manufacturing process has 10% defective rate.  Random sample of 15 tubes