Mathematics, 07.12.2019 01:31 aseel667789
The yield of a chemical process is being studied. from previous experience, yield is known to be normally distributed and the past five days of plant operation have resulted in the following yields 91.6, 88.75, 90.8, 89.62, and 91.2. find a 95% two-sided confidence interval on the true mean yield. (a) calculate the sample mean. round your answer to 2 decimal places.
Answers: 1
Mathematics, 21.06.2019 17:30, uticabadgirl
Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny
Answers: 1
Mathematics, 21.06.2019 20:00, 12bluestone
Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =
Answers: 1
Mathematics, 21.06.2019 22:30, carltonwashington23
Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?
Answers: 2
Mathematics, 22.06.2019 01:00, Mrlittlefish
Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no
Answers: 1
The yield of a chemical process is being studied. from previous experience, yield is known to be nor...
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