7. It is believed that approximately 75% of American youth now have insurance due to the health care law. Suppose this is true, and let X equal the number of American youth in a random sample of n = 15 with private health insurance. a) How is X distributed? b) Find the probability that X is at least 10. c) Find the probability that X is at most 10.

Q: Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes.…

A: Let X be the number of adults use their smartphones in meeting or classes which follows binomial…

Q: Assume that when adults with smartphones are randomly​ selected, 44​% use them in meetings or…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

Q: 3. In the mass production of bolts it is found that 5% are defective. Bolts are randomly selected…

A: Givenn=10p=0.05Let X=no.of defective boltsX~Binomial (n=10 , p=0.05)P(X=x)=10x 0.05x 1-0.0510-x   ;…

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: It is given that the random variable X follows Binomial distribution with parameter p = 47% = 0.47…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: Given: p=36%=0.36 n=8 According to binomial probability: PX=x=Cxnpx1-pn-x

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: Ans# - Given, n =20, P = 39% = 0.39            Find   P(x = 12)  = ?

Q: c) With random guessing, show that the probability of getting at least one question wrong is 0.999.

A: Given:Show that the probability of getting at least one questionwrong is approximately 0.999.

Q: 1) The mean number of births per day is........? 2)  The probability​ that, in a​ day, there are 15…

A: Since , the number of atoms decayed during 365 days is 29522/365=80.8822 Let , X be the number of…

Q: According to a study, the probability that a randomly selected teenager studied at least once during…

A: Given that, According to a study, the probability that a randomly selected teenager studied at least…

Q: The probability is (Type an integer or decimal rounded to four decimal places as needed.)

A: It is given that the number of observations are independent with the probability of success p = 46%…

Q: A point is selected uniformly at random on a stick. This stick is broken at this point. What is the…

A:

Q: Ten percent of all undergraduates at a ceratin uninversity are chemistry majors. In a random sample…

A: From the provided information,Ten percent of all undergraduates at a ceratin university are…

Q: outh Smoking Twò ðut 8I cquired the habit by age 14. If 400 smokers a andomly selected, find the…

A: Given X~ Binomial n=400 p=0.4

Q: In a survey, 205 people indicated they prefer cats, 160 indicated they prefer dogs, and 40 indicated…

A: From the provided information, 205 people indicated they prefer cats, 160 indicated they prefer…

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: We have given that,  X be the random variable from binomial distribution with trails (n) = 11 and…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: We have to find given probability..

Q: what is the probability more than half of the sampled students are working full time?

A: Assume sixty percent of all NKU students work full time. If a random sample of 70 NKUstudents is…

Q: Assume that when adults with smartphones are randomly​ selected, 47​% use them in meetings or…

A: Given data Probability that adult with smartphones will use them in meetings  = 0.47 Number of…

Q: assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A:

Q: The probability that a randomly selected individual in a certain community has made an online…

A: We have to find out given probability...

Q: 6. Suppose a statistic shows that in a city an average of 3 accidents occur per month, determine the…

A: Given that  In a city the average of 3 accidents occur per month  X~Poisson(λ=3) X=Number of…

Q: 2. Let X be the mean of a random sample of n = 25 from N(30, 9). Find the probability that the…

A:

Q: A crate contains 50 led light of which 5 are defective and 45 are not. A Quality Control Inspector…

A: we have to find given probability.

Q: e that when adults with smartphones are randomly​ selected, 45​% use them in meetings or classes. If…

A: 5 adult smartphone users are randomly selected; n=5 45% use them in meetings or classes; p=0.45

Q: 6. Three out of eight BS in Business Administration graduates are in banking industry. If 600 BS in…

A: