10. 7/10 points | Previous Answers IllowskylntroStat1 4.HW 100. My Notes Ask You

Question

10. 7/10 points | Previous Answers IllowskylntroStat1 4.HW 100. My Notes Ask Your Te It has been estimated that only about 30% of California residents have adequate earthquake supplies. Suppose you randomly survey 11 California residents, we are interested in the number have adequate earthquake supplies. Part (a) Part (b) D Part (c) O Part (d) E Part (e) Is it more likely that none or that all of the residents surveyed will have adequate earthquake supplies? Why? (Round your answers to four decimal places.) The probability that none of the residents have adequate earthquake supplies is Therefore it is more likely that none of the residents will have adequate earthquake supplies. while the probabilty that all of the residents have adequate earthquake supplies is

Explanation / Answer

Ans e)

P(none have an adequate supply) = 0.7^11 = 0.0198

P(all had an adequate supply) = 0.3^11 = 0.00000177147 ~0.0000

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