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1. In 2012, the Humane Society reported that 30.4% of all U.S. households own at least one cat. Assuming these results came from a survey conducted among 10,000 U.S. households, what is the 90% confidence interval that estimates the population proportion of U.S. households that own at least one cat? Include a short paragraph stating succinctly, what this confidence interval means. (Show all work and provide detail for technology use).
2. The same report listed the mean annual veterinary cost per household (of those owning at least one cat) as being $191 with a standard deviation of $13.50. Assume that these figures came from a sample of 5000 U.S. households with at least one cat.
a. Find a 98% confidence interval for the actual annual mean veterinary cost among U.S. households with at least one cat. (Show all work and provide detail for technology use).
b. If a household reported annual veterinary costs of $198.50, would that be considered unusual? Support your answer with data.
1. In 100 words: Strong cultures can have powerful effects on employee behavior. How does this create inadvertent control mechanisms? That is, are strong cultures an ethical way to control behavior?
He took a? break, and the rain stopped He then drove 114 miles at a speed that was 9 miles per hour faster than his previous speed.
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A life insurance company has determined that each week an average of seven claims is filed in its Nashville branch.
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A music store offers piano lessons at a discount for customers buying new pianos. The costs for lessons and a one time fee for materials are shown in the advertisement. What is the cost of one lesson and the one time fee? 6 lessons for $300 and ..
The sum of two numbers is 69. If twice the smaller number is subtracted from the larger? number, the result is 18. Find the two numbers.
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At summer camp, the swimming course runs the length (L) of a small lake. To determine the length of the course, the camp counselors measure the two "dry" legs of a right triangle. What is the length in meters of the swimming course?
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