If 20% of the bolts produced by a machine are defective, determine the probability that out of 4 bolts chosen at random two bolts will be defectice?

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Given that, Probability(grow) = 85% = 0.85 Probability(don't grow) = 15% = 0.15 Sample size, n = 11

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A: In this question we will be using Poisson distribution.  It is given that the restaurant can expect…

Q: Suppose the average number of zebra seen on a 2-day safari is 5. What is the probability that…

A: Given that the average number of zebra seen on a 2-day safari is 5. So, the average number of zebra…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 6 seeds are planted,…

A: X: The healthy growing plant. n = 6 p = 0.95 We have to find that the exactly one plant does not…

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

A:

Q: Hospital records show that of patients suffering from a certain disease, 35% die of it. What is the…

A:

Q: A package contains 14 candy canes, 8 of which are cracked. If 3 are selected, find the probability…

A:

Q: If a seed is planted, it has a 70% chance of growing into a healthy plant. If 9 seeds are planted,…

A: Probability that plant grow  =0.70 Now, the probability that plant do not grow =1-0.70=0.30 n=9

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: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 6 seeds are planted,…

A: For any seed there are two possibilities  1. Either they grow  2. Not grow So each seed is…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 9 seeds are planted,…

A:

Q: B- A magazine reported that 20% of American drivers read the newspaper while they driving. If 15…

A: Given data Probability of reading newspaper while driving p = 0.2 No of drivers selected n = 15 Let…

Q: Seventy-six percent of toddlers get their recommended immunizations. Suppose that 6 toddlers are…

A: Given,p=0.76n=6

Q: The incidence of tuberculosis in an industry is such that the workers have a 20% chance of suffering…

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: A pair of dice is rolled 10 times. What is the probability of getting exactly 6 rolls of 8?

A: Solution-: A pair of dice is rolled 10 times. What is the probability of getting exactly 6 rolls of…

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 70% chance of growing into a healthy plant. If 8 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: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 6 seeds are planted,…

A: Let X= the number of seeds that grow into a healthy plant n=number of trials=6 p=probability of…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 7 seeds are planted,…

A: Let X= the number of seeds that grow into a healthy plant n=number of trials=7  p=probability of…

Q: A jar has 6 orange marbles and 10 red marbles. What is the probability of drawing two orange marbles…

A: We have given that  A jar has 6 orange marbles and 10 red marbles. Total number of marbles = 16

Q: The probability that a house in an urban area will be burglarized is 3%. If 22 houses are randomly…

A: Answer: Given that: p= 0.03 , n= 22 now will use Binomial probability…

Q: If a seed is planted, it has a 65% chance of growing into a healthy plant. If 12 seeds are planted,…

A: From the provided information, Chance of growing a seed into healthy plant = 65% That is p = 0.65…

Q: A typist makes an average of 2.6 typos every 10 pages. What is the probability that the typist makes…

A: Let X denote the number typos in every 10 pages and it follows Poisson distribution with The…

Q: In a small private​ school,6 students are randomly selected from 11available students. What is the…

A: We have 11 students out of which we have to select the 6 students and then find the probability that…

Q: If 12 balls are thrown at random into 20 boxes, what is the probability that no box will receive…

A: Define the event, A : no box will receive more than one ball If 12 balls are thrown into 20 boxes…

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 8 seeds are planted,…

A:

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

A: Let, P(growing)=60% = 0.60 P( not growing)=1-0.60 = 0.40 n = 11 The probability that exactly 4 don't…

Q: A batch of 100 cords has 8 defective cords. If 4 cords, taken at random from the batch, are to be…

A:

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 10 seeds are planted,…

A: Obtain the probability that exactly 3 don't grow.   The probability that exactly 3 don't grow is…

Q: In a small private​ school, 3 students are randomly selected from 19available students. What is the…

A: We have to find total ways to pick 3 students from 19 students I. e 19C319C3= (19 * 18 * 17) / (3 *…

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: If a seed is planted, it has a 70 %chance of growing into a healthy plant. If 10 seeds are planted,…

A: Given data, p=0.70 (grows healthy plant) If n=10 then P(X=1) doesnot grow=?

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

A:

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 survey reveals that 20% of the girls are Riphah come from remote areas. If 20 Riphah Girls are…

A: Given,n=20p=0.2q=1-p=1-0.2=0.8X=no.of girls come from remote area X~Binomial (n=20 ,…

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 school survey found that 9 out of 10 students like pizza. If three students are chosen at random…

A: We have to find given probability..

Q: f 2 percent of the rifles in an arsenal are defective, what is the probability that a random sample…

A: Given that  2 percent of the rifles in an arsenal are defective . P = 2% = 0.02 Sample size (n) =…

Q: Suppose that at a large university 30% of students are involved in intramural sports. If we randomly…

A: Obtain the probability that fewer than 5 of these students are involved in intramural sports. The…

Q: If a seed is planted, it has a 65% chance of growing into a healthy plant. If 10 seeds are planted,…

A: Given: P( chance a seed grows into a healthy plant) = 0.65 n = 10

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

A: Probability that growing into a healthy plant is 85% = 0.85 P(grow) = 0.85 P(don't grow) = 1 -…

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: If a seed is planted, it has a 70% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Obtain the probability that exactly 1 doesn't grow.   The probability that exactly 1 doesn't grow is…

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 7 seeds are planted,…

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

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 10 seeds are planted,…

A: Let "X" be the planted seeds that don't grow.

Q: If a seed is planted, and it has 75% chance of growing into a healthy plant and if 6 seeds are…

A: Given, p=75%=0.75 (Grow as healthy plant) q=1-p=0.25   If n=6 P(X=3) dont grow =?