Questic Among 21-to 26-year-olds, 36% say they have used a computer while under the influence of alcohol. Suppose seven 21- to 26-year-olds are selected at random. Complete parts (a) through (d) below. (a) What is the probability that all seven have used a computer while under the influence of alcohol? (Round to four decimal places as needed.) (b) What is the probability that at least one has not used a computer while under the influence of alcohol? (Round to four decimal places as needed.) (c) What is the probability that none of the seven have used a computer while under the influence of alcohol? (Round to four decimal places as needed.) (d) What is the probability that at least one has used a computer while under the influence of alcohol? 7DA tn animl ninan Enter your answer in each of the answer boxes. 4:42 PM Type here to search 10/23/2019 ASUS 96 5 7 6 3 2 U Y T R E Ab | K SD G F I

In a poll about work, 68% of respondents said that their jobs were sometimes or always stressful. Twelve workers are chosen at random. Round the answers to four decimal places. (b) What is the probability that more than 9 find their jobs stressful?

What is the probability that a student participates in at most three activities?

Suppose that 35% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?Give your answer as a decimal (to at least 3 places) or fraction

Suppose that the probability that a person books an airline ticket using an online travel website is 0.72. Consider a sample of ten randomly selected people who recently booked an airline ticket.What is the probability that... (a) more than three out of ten people used an online travel website when they book their airline ticket? Round to thousandths. (b) fewer than 8 people used an online travel website when they book their airline ticket? Round to thousandths.

In a survey of 1000 social-media account holders aged 18 years and older conducted by a certain organization, it was found that 61% of them have one or two such accounts. If 10 of the participants in the survey are picked at random, what is the probability that at most 7 of them have one or two social-media accounts? (Round your answer to four decimal places.)

A shipment of 40 inexpensive digital watches, including 6 that are defective, is sent to a department store. The receiving department selects 10 at random for testing and rejects the whole shipment if 1 or more in K the sample are found defective. What is the probability that the shipment will be rejected? The probability the shipment will be rejected is (Simplify your answer Type an integer or decimal rounded to two decimal places as needed) ***

According to an​ airline, flights on a certain route are on time 75​% of the time. Suppose 25 flights are randomly selected and the number of​ on-time flights is recorded. N=25 P=0.75 ​(c) Find and interpret the probability that exactly 14 flights are on time. ​(d) Find and interpret the probability that fewer than 14 flights are on time. ​(e) Find and interpret the probability that at least 14 flights are on time. ​(f) Find and interpret the probability that between 12 and 14 flights, inclusive, are on time.   (c) The probability that exactly 14 flights are on time is ____?  ​(Round to four decimal places as​ needed.) Interpret the probability. In 100 trials of this​ experiment, it is expected that about ____ will result in exactly 14 flights being on time. (Round to nearest whole number as needed) (d) The probability that fewer than 14 flights are on time is ____? (Round to four decimal places as​ needed.) Interpret the probability. In 100 trials of this​ experiment, it is expected…

Coronary bypass surgery: A healthcare agency reported that 54% of people who had coronary bypass surgery in 2008 were over the age of 65. Sixteen coronary bypass patients are sampled. (a)What is the probability that exactly 10 of them are over the age of 65? (b)What is the probability that more than 11 are over the age of 65? (c)What is the probability that fewer than 7 are over the age of 65? (d)Would it be unusual if all of them were over the age of 65? Use a cutoff of 0.05.  Thank you!

Coronary bypass surgery: A healthcare agency reported that 84% of poeple who had coronary bypass surgery in 2008 were over the age of 65. Fourteen coronary bypass patiens are sampled. (a) What is the probability that exactly 8 of them are over the age of 65?