Mathematics, 02.12.2019 19:00 mandilynn22

# The accounting department analyzes the variance of the weekly unit costs reported by two production departments. a sample of 16 cost reports for each of the two departments shows cost variances of 2.1 and 5.5, respectively. is this sample sufficient to conclude that the two production departments differ in terms of unit cost variance? use = .10. state the null and alternative hypotheses. 0: 1 2 2 2 a: 1 2 2 2 calculate the value of the test statistic (to 2 decimals). the p-value is what is your conclusion?

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Mathematics, 04.02.2019 21:16

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Answers: 3

Mathematics, 03.02.2019 22:49

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.

Answers: 1

Mathematics, 03.02.2019 00:58

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

Answers: 1

The accounting department analyzes the variance of the weekly unit costs reported by two production...

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