Mathematics, 23.10.2019 20:00 caromaybelline71
In an article appearing in today’s health a writer states that the average number of calories in a serving of popcorn is 75. to determine if the average number of calories in a serving of popcorn is different from 75, a nutritionist selected a random sample of 20 servings of popcorn and computed the sample mean number of calories per serving to be 78 with a sample standard deviation of 7. compute the z or t value of the sample test statistic.
Answers: 1
Mathematics, 21.06.2019 19:30
Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?
Answers: 1
Mathematics, 22.06.2019 00:30
Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?
Answers: 2
Mathematics, 22.06.2019 01:00
In a newspaper, it was reported that yearly robberies in springfield were up 25% to 265 in 2013 from 2012. how many robberies were there in springfield in 2012?
Answers: 2
In an article appearing in today’s health a writer states that the average number of calories in a s...
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