ide survey nat 30% aged 18 l8 tattoos. Suppose that this result holds true for the current population of all men in this age group. Find the probability that in a random sample of 500 men aged 18 to 29, 142 to 163 (inclusive) have tattoos.
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- A university study involves a simple random sample of 26 students taken from a population of 12,550. Undergraduate students make up 73% of the university's students. Determine the probability of selecting only undergraduate students?Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that exactly 7 of them use their smartphones in meetings or classes. The probability is. (Round to four decimal places as needed.)An insurance company reported that 75% of adults stated they are distracted by their smart phone while driving. If eight Odell drivers are randomly selected, determine the probability that exactly 6 of them are distracted by their smart phone while driving .
- Assume that when human resource managers are randomly selected, 44% say job applicants should follow up within two weeks. If 25 human resource managers are randomly selected, find the probability that exactly 15 of them say job applicants should follow up within two weeks. Question content area bottom Part 1 The probability is.A study indicates that 70% of teenagers have have a tattoo. You randomly sample 9 teenagers. Find the probability that between 6 and 8 (including endpoints) have a tattoo. Enter your answer rounded to 4 decimal places.Consider the case where the predetermined average number of bus arrivals at the Cubao Station is 6 per 15-minute period. Find the probability of at least 4 buses arriving in a 15-minute period.
- If you select a random sample of 144 smartphone owners, what is the probability that the sample mean is between 22.5 and 23.5?Suppose that 57% 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 fractionAssume that adults with smartphones are randomly selected, 48% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphone in meetings or classes. The probability is? Round to four decimal places as needed.
- Suppose 6 coins are tossed. Find the probability of tossing no heads. (Round to four decimal places.)Assume that when adults with smartphones are randomly selected, 4646% use them in meetings or classes. If 99 adult smartphone users are randomly selected, find the probability that exactly 55 of them use their smartphones in meetings or classes.Out of a sample of 10,000 men, the probability that a man picked at random weighs over 190 pounds is 0.25. The probability that a man weighs less than 135 pounds is 0.15. What is the probability that a man picked at random weighs either 190 pounds or under 135 pounds?