It has been established that 8% of avocado park children face housing insecurity. 73% of housing-insecure children are expected to graduate from high school, compared to 88% of the housing-secure children. describe the sample space for all outcomes of the events a. described above, including the probability of each outcome. b. what is the probability of a random child from avocado park graduating high school? c. of the children in avocado park who are not expected to graduate, what proportion face housing insecurity? 5. in her research on children in avocado park, letecia has learned that households in the neighborhood with children currently have a mean of 3.2 children per household with a standard deviation of o.7 children per household. a. if a family moves into the neighborhood with 11 children, how would this affect the mean and standard deviation? 100% 8: 32 am 7/5/2019 868 words age 2 of 4
review b u abc x. x a paste a- a aa a a styles editing lipboard ll font paragraph 5. in her research on styles children in avocado park, letecia has learned that households in the neighborhood with children currently have a mean of 3.2 children per household with a standard deviation of 0.7 children per household. a. if a family would this affect the mean and standard deviation? moves into the neighborhood with 11 children, how b. if a family moves into the neighborhood with 1 child, how would this affect the mean and standard deviation? c. if each household with children agrees to foster one child from the displaced child population of los angeles county what would the mean number of children in these households become? what would the standard deviation become? d. if letecia collected a random sample of 42 households from avocado park with children, what would be the probability that the sample contained fewer than 120 children total? 6. ramon and his husband sarkis have openeda refuge for the displaced youths of avocado park. hadey has organized a raffle 868 words age 2 of 4
ach household with children agrees to foster one child ndara deviation? from the displaced child population of los angeles county, what would the mean number of children in these households become? what would the standard deviation become? d. if letecia collected a random sample of 42 households from avocado park with children, what would be the probability that the sample contained fewer than 120 children total? 6. ramon and his husband sarkis have opened a refuge for the displaced youths of avocado park. hadey has organized a raffle to raise funds for them, with a grand prize of free lawn care for year (valued $800) and 5 second prizes of free lawn care for the month of august (valued $75). he sells 600 raffle tickets for $2 each. a. construct a distribution for the net value of one purchased raffle ticket b. what is the expected value of one purchased ticket? c. if old billie buys 50 tickets, what is the probability that her winnings will exceed the cost of the tickets? d. bonus question: how much should hadey charge per ticket if he wants the expected value of one ticket to to the nearest cent if necessary. be zero? round 7. to raise funds for a new community garden at their refuge, ramon and his husband sarkis are auctioning off a selection of sarkis' wood sculptures, 91 in total. they sell for anything between $135 and $550 each, with the prices uniformly distributed. for the sake of this exercise, assume that money is a 90% 8: 33 am 75/20 19 868 word5 page 2 of 4