Posted: December 8th, 2016

1) The average size of orders places on musicians friend,come is $280.64 with SD = $80.20. Determine the probability that the total spent on the next 100 orders exceeds $30,000 2) 24% of patients arriving at a care facility are discharged within one week. Determine the probability that at least 20% of the next 500 arrivals are discharged within one week. 3) 65% of California adults are opposed to proposition 34. Determine the probability that more than 120 of 200 randomly chosen voters are opposed to the proposition. 4) A hailstorm hit KC over the weekend. 30 of 150 randomly chosen north-side houses were damaged and 16 of 100 randomly chosen south-side houses were damaged. Find the p-value in a test of: hyp: proportions are the same on north and south sides alt: proportion is high on the north side 5) The length of a “10,000 meter” xcountry course is measured 56 times. The average measured length is 10,004 meters with SD = 14.2 meters. Find the p-value in a test of: hyp: route length = 10,000m alt: route length > 10,000m 6) In question (5), do the problem again, assuming that only 5 measurements were made.

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