A biologist finds that 25​% of fruit flies have short wings and 30​% have eye defects. Assuming these two events are​ independent, what is the probability that a randomly selected fruit fly has neither short wings nor eye​ defects?

Q: A Food Marketing Institute found that 51% of households spend more than $125 a week on groceries.…

A:

Q: In 2014, approximately 13% of nonelderly Americans adults had no health insurance. Suppose that a…

A: Given: Proportion of American adults having no health insurance, p=0.13 Sample size, n=400

Q: A study has shown that 65% of students at some time in their college career have skipped buying…

A: Solution-: Given: We find,

Q: A leading large college recently reported that 40.5% of its student body had concerns about the…

A:

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

A: Solution

Q: A pharmaceutical company claims that only 5% of patients experience nausea when they take a drug. In…

A: We have given that X be a random variable that is patients experience nausea is follow Binomial…

Q: Migraine medication was administered to patients in that 5% experienced weight gain as a side…

A:

Q: In a recent study, 65% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: Given,n=11p=0.65Let X =no.of people name their favorite flavor of ice cream.X~Binomial(n=11 ,…

Q: About 0.5% of adults have nut allergy. The test correctly identifies 94% of the time adults with…

A:

Q: In a study of 44 patients at a rural hospital, there were 9 females in the ICU, 6 females in the…

A:

Q: Based on a​ poll, 70​% of Internet users are more careful about personal information when using a…

A: In this case, each surveyed user is inferred to have only options of being "more careful" (i.e.,…

Q: In a survey, 25% of respondents said they watched football but not cricket, 15% said they watched…

A:

Q: In the study, about 81 percent of participants' weight loss came from fat loss, which was made…

A: From the provided information,p = 0.81n = 10

Q: Atlantic Airways flights were late (arrived or departed 15 minutes late or more). A random sample of…

A: We have given that  Number of trials n=140 Success of probability p =20.4%=0.204 We use normal…

Q: A company receives 65% of its orders over the Internet. Within a collection of 18 independently…

A: Given data, n=18 p=65%=0.65 P(X≤4)=?

Q: Based on a​ poll, 68​% of Internet users are more careful about personal information when using a…

A: p=0.68  _________________________ P(x≥1) = ?

Q: About 10​% of the population of a large country is nervous around strangers. If two people are…

A: The probability that a randomly selected people is nervous around strangers is 0.10. The probability…

Q: In a study of car accident fatalities that involved impaired drivers, it was found that 535 drivers…

A: Solution: From the given information, number of drunk drivers is 535 and the number of drugged…

Q: A labor statistician claims that 6% of the labor forces will be laid off likely  to pandemic impact.…

A: Solution: According to a labor statistician's claim, 6% of the labor forces will be paid off. Let p…

Q: Based on a​ poll, 68​% of Internet users are more careful about personal information when using a…

A:

Q: A recent poll indicates that 48% of all registered voters in America plan to vote for a specific…

A: given data, p=0.48n=12q=1-0.48=0.52p(X=x)=nCx *px*q(n-x) (binomial distribution)x= no. of ragisterd…

Q: Computer keyboard failures can be attributed to electrical defects or mechanical defects. A repair…

A: Given data:     The total number of failed keyboards are: n=25 The number of electric defects failed…

Q: In a study, 42% of adults questioned reported that their health was excellent. A researcher wishes…

A: Let us denote X=the number of people with excellent health.n=sample size=13p=probability of…

Q: It is stated by the IRS that 71% of filed returns receive a refund.  If you were to sample 50…

A: According to the given question, it is stated by the IRS that 71% of filed returns receive a refund.…

Q: Assume that 15% of the drivers in a certain city do not have a valid driving license. A policeman…

A: The probability that a driver have a valid driving license (p) = 0.85(1-0.15)   Consider a random…

Q: 80% of U.S. drivers over the age of 30 have had a speeding ticket and 55% of those have also been in…

A: Given,         Pspeeding ticket=0.80         Paccident while behind the wheel=0.55

Q: A long-term study revealed that 94% of the men for whom a test was negative do not have cancer. If a…

A: long-term study revealed that 94% of the men for whom a test was negative do not have cancer. If a…

Q: A recent survey shows that 16% of college students have dogs and 38% have an HBO subscription.…

A: Percentage of student have dogs is 16%. Percentage of student have HBO subscription is 38%.

Q: Alex Insurance Company historically shows that 10% of their insured received at least one traffic…

A: Let the random variable X be the policyholders will receive at least one traffic ticket this year.…

Q: One light bulb is selected at random from a lot of 140 light bulbs, of which 5% are defective. What…

A:

Q: Bryan is performing data entry for an insurance company by taking handwritten records and entering…

A: Let X be the random from binomial distribution with probability of success (p) = 15.6 = 0.156 and…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.