suppose that 62% of all college seniors have a job prior to graduation. If a random sample of 45 college seniors is taken, approximate the probability that at least  24 have a job prior to graduation. Use the normal approximation to the binomial with a correction for continuity.

Q: Suppose that a new treatment is successful in curing a common alment 63% of the time. If the…

A: It is given that n=100 and p=0.63.

Q: A brokerage survey reports that 33% of all individual investors have used a discount broker (one…

A: Given that  p = 33% = 0.33 , q = 1 - p = 1 - 0.33 = 0.67 n = 135

Q: Suppose that 13% of the population of the U.S. is left-handed. If a random sample of 225 people from…

A: Solution: Let X be the number of people from the U.S are left handed and n be the sample number of…

Q: Supposethat the times taken for germination for cauliflower seeds are normally distributed with a…

A: Assume that X is the random variable denoting the times taken for germination for cauliflower seeds.…

Q: Suppose that 18% of the people in a large city have used a hospital emergency room in the past year.…

A:

Q: A researcher believes that about 71% of the seeds planted with the aid of a new chemical fertilizer…

A:

Q: A researcher believes that about 73% of the seeds planted with the aid of a new chemical fertilizer…

A:

Q: probability that 110 or more people in this sample have had chickenpox in their childhood.

A: The National Vaccine Information Center estimates that 90% ofAmericans have had chickenpox by the…

Q: In a certain city of several million people, 5.8 % of the adults are unemployed. If a random sample…

A:

Q: Suppose that 17% of the people in a large city have used a hospital emergency room in the past year.…

A: Let p be the probability and n be the random sample Let X be the number of emergency room in the…

Q: A researcher believes that about 71% of the seeds planted with the aid of a new chemical fertilizer…

A:

Q: Suppose that a new treatment is successful in curing a common ailment 66% of the time. If the…

A: given data  P(successfully curing a common alignment) = p = 0.66 n = 120 x = no. of treatment…

Q: Suppose that 16% of the people in a large city have used a hospital emergency room in the past…

A: Let, X: No. of people in a large city X is binomially distributed with parameter n and p p=0.16…

Q: Suppose that a new treatment is successful in curing a common ailment 73% of the time. If the…

A: Given that  n = 100 , p = 73% = 0.73 , q = 1 - p = 1 - 0.73 = 0.27

Q: Suppose that 19% of the people in a large city have used a hospital emergency room in the past…

A:

Q: Suppose that a new treatment is successful in curing a common ailment 60% of the time. If the…

A: From the provided information, A new treatment is successful in curing a common ailment 60% of the…

Q: A brokerage survey reports that 27% of all individual investors have used a discount broker (one…

A: Given p=27%=0.27n=80    x~Bin(n,p)find p(x>18)=?

Q: A multiple-choice examination consists of 90 questions, each having possible choices a, b, c, and d.…

A:

Q: A brokerage survey reports that 28% of all individual investors have used a discount broker (one…

A:

Q: Suppose that  55%  of all college seniors have a job prior to graduation. If a random sample of…

A: 55% of all college seniors have a job prior to graduation; p=0.55 A random sample of 75 college…

Q: Suppose that a new treatment is successful in curing a common ailment 60% of the time. If the…

A:

Q: Suppose that 55% of all college seniors have a job prior to graduation. If a random sample of 75…

A: Solution-: Given: n=75, p=0.55 We want to find P(at most 41 have a job prior to graduation) =?

Q: Suppose that on a comprehensive exam at the end of a master's degree program, each student must…

A: Given DataTotal question(n) = 50

Q: n a certain city of several million people, 7.8% of the adults are unemployed. If a random sample of…

A: Given Information: 7.8% of the adults are unemployed. i.e.., p=0.078 Sample size n=250 To find the…

Q: Suppose that 47% of the population of U.S. voters favors a particular presidential candidate. If a…

A:

Q: A researcher believes that about 73% of the seeds planted with the aid of a new chemical fertilizer…

A: Solution-: Given: n=165,p=0.73 (Or 73%) We want to find, P(more than 117 of the 165 seeds will…

Q: The National Vaccine Information Center estimates that 90% of Americans have had chickenpox by the…

A: Solution:-   Given that The proportion of Americans who have had chickenpox in their childhood is…

Q: A researcher believes that about 75% of the seeds planted with the aid of a new chemical fertilizer…

A: Given: p=0.75 n=130 x=97

Q: A researcher believes that about 75% of the seeds planted with the aid of a new chemical fertilizer…

A: Given,p=0.75n=105mean(μ)=npmean(μ)=105×0.75=78.75Standard deviation(σ)=np(1-p)Standard…

Q: A multiple-choice examination consists of 85 questions, each having possible choices a, b, c, and d.…

A: Let X be the number of correct answers. Given: Trials, n=85 Random variable,x=22 Probability of…

Q: Suppose that 16% of the population of the U.S. is left-handed. If a random sample of 225 people from…

A:

Q: A brokerage survey reports that 32% of all individual investors have used a discount broker (one…

A: Givenp=0.32n=140x~Binomial(n=140 , p=0.32)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,....,n

Q: Suppose that a new treatment is successful in curing a common ailment 73% of the time. If the…

A: Proportion of successfully curing a common alignment(p)=0.73sample size(n)=65

Q: A researcher believes that about 74% of the seeds planted with the aid of a new chemical fertilizer…

A: Answer:- According to the given information,  Sample size, n = 180  Probability of success on a…

Q: Suppose that 62% of all college seniors have a job prior to graduation. If a random sample of 85…

A: Given values, n = 85 p = 0.62 x = 49 To find : P(X <= 49)

Q: A researcher believes that about 70% of the seeds planted with the aid of a new chemical fertilizer…

A:

Q: Suppose that 61% of all college seniors have a job prior to graduation. If a random sample of 75…

A: Given,n=75p=0.61mean(μ)=npmean(μ)=75×0.61=45.75standard deviation(σ)=np(1-p)standard…

Q: A multiple-choice examination consists of 90 questions, each having possible choices a, b, c, and d.…

A: Given that, n=90, p =0.25 The values of mean and standard deviation are,

Q: A multiple-choice examination consists of 65 questions, each having possible choices a, b, c, d, and…

A: Solution: Let X be the number of answers are correct and n be the sample number of questions. From…

Q: Suppose that a new treatment is successful in curing a common ailment 60% of the time. If the…

A: Solution-: Given: n=130,p=0.60 (Or 60%) We want to find P(at most 79 will be cured )=?

Q: Suppose that a new treatment is successful in curing a common ailment 72% of the time. If the…

A: Given,n=120p=0.72q=1-0.72=0.28np=120×0.72=86.4≥5nq=120×0.28=33.6≥5we can use nomal…

Q: A multiple-choice examination consists of 80 questions, each having possible choices a, b, c, and d.…

A: The data on a multiple-choice exam is provided.Sample size, Probability of guessing a correct…

Q: A researcher believes that about 71% of the seeds planted with the aid of a new chemical fertilizer…

A: Given data  P(germinates) =p = 0.71 sample size (n) = 95 P(x<68) = ?

Q: Suppose that a new treatment is successful in curing a common ailment 75% of the time. If the…

A:

Q: Suppose that 56% of all college seniors have a job prior to graduation. If a random sample of 55…

A:

Q: Suppose that 16% of the population of the U.S. is left-handed. If a random sample of 200 people from…

A: According to the given information in this question, we need to find the following probability