Mathematics, 27.11.2019 00:31 haleylayne74
Amajor department store chain is interested in estimating the average amount its credit card customers spent on their first visit to the chain's new store in the mall. fifteen credit card accounts were randomly sampled and analyzed with the following results: x-bar = $50.50 and s2 = 400. construct a 95% confidence interval for the average amount its credit card customers spent on their first visit to the chain's new store in the mall.
Answers: 3
Mathematics, 21.06.2019 19:00
Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.
Answers: 1
Mathematics, 21.06.2019 20:30
Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?
Answers: 3
Mathematics, 22.06.2019 04:30
Ahousekeeper mixed 5 gallons of blue paint with every 9 gallon of yellow paint in order to make a green paint which ratio of gallon of blue paint to gallon of yellow paint will make the same shade of green paint
Answers: 1
Mathematics, 22.06.2019 05:30
Determine the solution to the given equation. 4 + 3y = 6y – 5 a. y = 3 b. y = –3 c. y = 1 d. y = –1 select the best answer from the choices provided a b c d
Answers: 3
Amajor department store chain is interested in estimating the average amount its credit card custome...
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