a.Compute the probability that a randomly selected household earned the following incomes in 2013: a)$200,000 or more? b.Compute the probability that a randomly selected household earned the following incomes in 2013: b)Less than $200,000?
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a.Compute the
b.Compute the probability that a randomly selected household earned the following incomes in 2013: b)Less than $200,000?
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- Assume an approximate U.S population of 325 million. Number of death due to heart disease and accidents for an American during 2015 is respectively 614,300 and 136,100. A)What is the relative frequency probability of death due to heart disease for an American during 2015? b) How much greater is the risk of death due to heart disease than the risk of death due to accidents? c) Find and compare death rates per person and per 100,000 people for heart disease and accidents.When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000 radioactive atoms decayed to 974,425 radioactive atoms, so 25,575 atoms decayed during 365 days. a. Find the mean number of radioactive atoms that decayed in a day. b. Find the probability that on a given day, 52 radioactive atoms decayed.A) Calculate the probability that exactly 6 out of 10 randomly sampled 18- 20 year olds consumed an alcoholic drink. B) What is the probability that exactly four out of the ten 18-20 year olds have not consumed an alcoholic beverage? C) What is the probability that at most 2 out of 5 randomly sampled 18-20 year olds have consumed alcoholic beverages?
- According to government data, 73% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected: a. What is the probability that exactly 2 of them have never been married? b. That at most 2 of them have never been married? c. That at least 13 of them have been married?A recent survey by a market research company found that 56% of all US households have internet access. Answer the following as decimals rounded to three places. a. If five households are chosen at random, what is the probability that all five have internet access? Preview b. What is the probability that none of the five have internet access? Preview c. If five households are chosen, what is the probability that at least one household has internet access? PreviewOne hundred tickets numbered from 51 to 150 are put in a bowl. They are well shuffled and thoroughly mixed, a ticket is drawn at random from the bowl. Outline the probability that a drawn ticket has: An even number A number multiple of 8 A number which is not a prime number A number which is greater then 104 A number which is not a complete square
- A raffle ticket costs $5. First and second prize winners will be drawn at random. The probability of winning the $100 first prize is 1/40 and the probability of winning the $25 second prize 1/20. A) find the probability model of a player's net gain, taking into account the $5 cost of the ticket? B) what is the mean winning for one play?For a week, a clothing company tracks the amounts spent by its customers, with the results shown to the right. a) What is the probability that a randomly chosen customer spent $120 or more? b) What is the probability that a randomly chosen customer did not spend less than $80? c) What is the probability that a randomly chosen customer spent between $40 and $159.99? a) What formula should be used to find the probability that a randomly chosen customer spent $120 or more? O A. P($120 or more) = 1 - P($120 - $159.99) O B. P($120 or more) = P($120 - $159.99) O C. P($120 or more) = P($120 - $159.99) + P($160-$199.99) - P($200 or more) O D. P($120 or more) = P($120 - $159.99) + P($160 - $199.99) + P($200 or more) The probability that a randomly chosen customer spent $120 or more is (Simplify your answer.) b) What formula should be used to find the probability that a randomly chosen customer did not spend less than $80? O A. P(not less than $80)=P($80 - $119.99) O B. P(not less than $80) = 1…Assume this year's flu vaccine has a 65% chance of being effective. If the vaccine is given to 314 randomly selected people, answer the following.d) What is the probability that exactly 200 of them did not get the flu? g) What is the probability that exactly 204 of them did not get the flu? Round final answer to 4 decimal places. h) What is the probability that at least 204 of them did not get the flu? Round final answer to 4 decimal places. i) What is the probability that at most 204 of them did not get the flu Round final answer to 4 decimal places.