interviewed were unaware that maintaining a healthy weight could reduce the risk of stroke. If 20 people are selected at random, find the probability that at least 15 people are unaware that maintaining a healthy weight could reduce the risk of stroke

Q: A survey showed that 75% of adults need correction for their eyesight. If 8 adults are randomly…

A: Given that 75% of adults need correction for their eyesight. There are 8 adults in the study. Let us…

Q: A study showed that 64.5​% of occupants involved in a fatal car crash wore seat belts. Of those in…

A: Solution: Let A be the event that  occupants involved in a fatal car crash wore seat belts. P( A)=…

Q: In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Givenp=0.85n=20Let "x" be the no.of people are unware that maintaining a healthy weightcould reduce…

Q: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…

A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A:

Q: In a survey of 500 individuals, it was found that 60% of them prefer tea over coffee. Of those who…

A: Answer: To find the probability, we need to calculate the proportion of individuals who prefer tea…

Q: The centers for disease control reported that 16% of college aged individuals used vapes in…

A: Given information Probability of using vapes = 0.16 No of individuals n = 750 Probability that less…

Q: According to a study conducted by the Gallup organization, the proportion of Americans who are…

A: It is an importance stance in probability distribution . Binomial distribution is a discrete…

Q: The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to…

A: Given,       Sample size n=15          P=1-0.4=0.6      X~Binomial n=15, P=0.6      PX=x=nCx…

Q: According to the American Dental Association, 60% of all dentists use nitrous oxide in their…

A:

Q: Suppose that 60% of all California motorists are insured. Find the probability  that more than 55%…

A: given data  P(insured) = p = 0.60 sample size n = 100 P(p^>0.55) = ?

Q: According to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with…

A:

Q: Children have a  1 in 2500 chance of being born with Cystic fibrosis and children have a 1 in 10000…

A: P(cystic fibrosis) = 1/2500 P(phocomelia) = 1/10000 Formula : P(either A or B) = P(A∪B) = P(A)+P(B)…

Q: According to a National Public Radio poll, 46% of American school students pay no attention to sex…

A:

Q: 2016, 75.8% of women aged 20-24 had no children. What is the chance that if you wanted to meet a…

A: Given that : In 2016, 75.8% of women aged 20-24 had no children.  What is the chance that if you…

Q: a survey, 80% of the people interviewed were unaware that maintaining a healthy lifestyle could…

A:

Q: If the probability of surviving a​ head-on car accident at 55 mph is 0.052​, then what is the…

A: Topic = Probability

Q: A survey was conducted to determine the proportion of Grade 11 students who engage in under-age…

A: We have given that p = 0.70 n = 100 We have to calculate  P(x> 0.65)

Q: Suppose that asthma affects 1 in 20 children in a population. We decide to redo the survey and now…

A:

Q: Suppose that asthma affects 1 in 20 children in a population. You take an SRS of 50 children from…

A: It is given that asthma effects 1 in 20 children in a population. Let the random variable X denotes…

Q: It is estimated that 8.3% of all Americans have diabetes.  Suppose that a random sample of 74…

A: It is given that:

Q: 13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the…

A: The mean and the standard deviation of the sampling distribution of the sample proportion is,

Q: Out of a sample of 10,000 men, the probability that a man picked at random weighs over 190 pounds is…

A: GivenThe probability that a man picked at random weighs over 190 pounds = 0.25The probability that a…

Q: (c) Find the probability that more than 68% of the sampled adults drink coffee daily. The…

A: The information provided in the question is as follows :-Sample size Also from the answers in part…

Q: A psychiatrist believes that 80% of all people who visit doctors have psychosomatic problems. She…

A: Let p be the probability that a person who visits doctors has psychosomatic problem. Given that p =…

Q: The probability of passing the bar exam in a certain state is 2/3. If 10 people passed the test at a…

A: It is given that probability of passing the bar exam in a certain state is 2/3. Therefore, the…

Q: cording to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with…

A: Given data,  the percentage of boys who are diagnosed with autism by the age of 8 is 2.7%.…

Q: Based on a study by Dr. P. Sorita at Indiana University, approximately 12% of people have green…

A: It is given that n =0.12 and n = 650.