An experiment consists of 8 independent trials where the probability of success on each trial is 3/8. Find the probability of obtaining at least 2 successes. A) 0.1350 B) 0.2347 C) 0.8650 D) 0.7653 E) 0.3124

Q: A geneticist conducts an experiment with peas, one sample of offspring consisted of 472 green peas…

A: To estimate the probability of getting a green pea, we divide the number of green peas (472) by the…

Q: In an identical and independent experiment, suppose the probability of getting a "success"is 0.8.…

A: It is given that, In an identical and independent experiment,  the probability of success is p= 0.8…

Q: How likely is it that she will not get the majority of the​ vote, that​ is, a sample proportion of​…

A: Given:-           a sample proportion of​ 50% or lower from the 100 votes​ cast  P = 0.50

Q: In a dental study on children it was found that the probability of the child population having any…

A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3

Q: A geneticist conducts an experiment with beans, one sample of offspring consisted of 457 green beans…

A: Given,no.of green beans=457no.of yellow beans=164Total no.of beans=621

Q: the probability of success on each trial of an experiment is 0.4, what is the probability of 4…

A: n=6x= no. of successes=4p=0.4q=1-0.4=0.6p(X=x)=nCx*px*qn-x (binomial distribution)

Q: If the odds of winning on a scratch-off lottery ticket are 8:1,103, what is the probability of…

A: Let A be the event of getting winning on a scratch-off lottery ticket Odd against ratio=8:1103

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 79…

A: (a)   Determine the distribution of X.   The distribution of X is determined below as follows:

Q: Find P(A), given that P(A) 0.493.

A: Given,      P A=0.493

Q: A geneticist conducts an experiment with beans, one sample of offspring consisted of 449 green beans…

A:

Q: The probability that the wait time in a doctors office is at most 20 minutes is 27% how many…

A:

Q: Waiting times for customers in an airline reservation system are (in seconds) 953, 955, 948, 951,…

A: Data953955948951957949954950959

Q: Just before a referendum on a school budget, a local newspaper polls 400 voters to predict whether…

A: From the available information  A local newspaper polls 400 voters to predict whether the budget…

Q: If the odds of winning on a scratch-off lottery ticket are 17:2,834, what is the probability of…

A: From the provided information, The odds of winning on a scratch-off lottery ticket are 17:2834

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.26​%. A random sample of 30 of…

A: Given that.   X~N( μ , ?)   μ=2.26   , ?=1.20   Z-score =( x - μ )/?

Q: n insurance agent knows that 18% of deer-car collision claims are filed in November. Consider a…

A:

Q: A geneticist conducts an experiment with beans, one sample of offspring consisted of 455 green beans…

A: Solution-; Given: Number of green beans =455           Number of yellow beans =141           Total…

Q: The mean percent of childhood asthma in 43 cities is 2.31 %. A random sample of 30 of these cities…

A: Sample size(n)=30mean()=2.31%Standard deviation()=1.25%

Q: According to Forbes magazine, forty percent of Internet browser users use Google Chrome. Use the…

A: Given, n=20 p=0.4 Excel output table:

Q: Find the probability of at least one failure in five trials of a binomial experiment in which the…

A: From the provided information, The probability of success is 30%. Probability of failure p = 1 -…

Q: Consider a population with 3 observations: 6, 10 and 12. You use simple random sampling without…

A: Given : Population size (N)=3 6 10 12 Sample size (n)=2

Q: Bricks manufactured in a kiln are weighed every day to check them against the design weight. The…

A: Let us denote X=the number of bricks weighing less than the design weight n=sample size= 12…

Q: In a hypothesis test, the Type I error rate is a = 0.10. Suppose we %3D also know that the Type II…

A: The type I error is Rejection of True null hypothesis. The type II error is fail to reject a false…

Q: An experiment consists of 8 independent trials where the probability of success on each trial is…

A: We have given the following information:Number of trials: Probability of success on each trial:

Q: An experiment consists of rolling a weighted die. The probability of rolling each number is:…

A: Given information: The probability of rolling each number is: P[1] = 0.15, P[2] = 0.2, P[3] = 0.15,…

Q: The probability that a high school student has smoked marijuana is 46%. If 16 high school  students…

A: Given that  p=46%=0.46 n=16

Q: Suppose the probability of success is p=31%. What is the probability of 7 successes in 8 trials?

A: Let x follows binomial distribution with parameters n = 8 and p = 0.31   The pdf of binomial…

Q: Among the adults in a large city, 32.00% have a college degree. A simple random sample of 100 adults…

A: The binomial distribution probability is:P(X=x)=nCx​px(q)n−xwhere ::: x represents the total number…

Q: Suppose that a random sample of 20 computer owners is selected and that 14 have a firewall…

A: True proportion of computer owners who have a firewall installed is 0.40 So, probability that a…

Q: You are playing Farkle. If you roll six dice, what is the probability of getting four 2's (exactly…

A: Given, No of dice = 6

Q: You have conducted a series of experiments to reduce the proportion of scrapped battery cells to 1%…

A: