In an extensive government study conducted this year, a simple random sample of 500 households was obtained and 80 had experienced property damage due to a crime. (b) Last year, it was found that the proportion of households that had been damaged due to crime was 0.20. Based on your interval from part (a), is there convincing evidence that the proportion of households damaged due to crime has decreased from 0.20? Explain.

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.