Mathematics, 29.07.2019 23:10 bob7220
2pts) a market research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores. marketing managers are prone to look at the estimate and ignore sampling error. a random sample of 36 stores this year shows mean sales of 67 units of a small appliance with a standard deviation of 6 units. during the same point in time last year, a random sample of 49 stores had mean sales of 73 units with standard deviation 10 units. it is of interest to construct a 95 percent confidence interval for the difference in population means μ1−μ2, where μ1 is the mean of this year's sales and μ2 is the mean of last year's sales. enter values below rounded to three decimal places. (a) the estimate is: . (b) the standard error is: .
Answers: 1
Mathematics, 21.06.2019 14:00
Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)
Answers: 1
Mathematics, 21.06.2019 21:00
On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers
Answers: 3
Mathematics, 21.06.2019 21:30
Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q
Answers: 3
Mathematics, 22.06.2019 01:30
Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes
Answers: 3
2pts) a market research firm supplies manufacturers with estimates of the retail sales of their prod...
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