8 coins are thrown simultaneously. Show that the probability of obtaining at least 6 heads is 37/256.
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Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…
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Q: Assume that when adults with smartphones are randomly selected, 44% use them in meetings or…
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- 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.Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed.)According to the statistics, 22% of cars in the city were at least 12 years old in 2004. Assume that this result holds true for the current population of all cars in the city. Random sample of 500 cars are selected at random. Approximate the probability that 90 to 95 cars are at least 12 years old?
- Of 2165 people who came into a financial institution to do business, 495 people made a deposit. Estimate the probability that the next person who comes in to financial institution to do business will make a deposit. (Show answer to three decimal placesThe number of cracks in a 105-km expressway is 30. What is the probability that there would be no cracks in a particular 3-km section of the expressway?If (the average number of mice / dunums) in a corn field consisting of 50 dunums is 1O, Calculate the probability of a given dunam containing more than 15 mice
- a hospital switchboard receives an average of 4 emergency calls in a 10 min interval.What is the probability of getting atleast 3 emergency calls.A recent survey of 1090 U.S. adults selected at random showed that 689 consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has very great prestige. (Enter a number.)Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes. If 15 adult smartphone users are randomly selected, find the probability that exactly 9 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed.)
