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gizmo_the_mogwai [7]
3 years ago
7

Chakan worked at the warehouse after school.He earned $9.25 per hour stacking boxes.Which equation correctly relates to Chakan's

total earnings,d,to the number of hours worked,h?
Mathematics
1 answer:
kogti [31]3 years ago
4 0

Answer:

the answer is :the answer

Step-by-step explanation:

the answer is obvioulsy what ever the answer is,

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Which best describes the relationship among the volumes of hemisphere X, cylinder Y, and cone Z?
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Answer: I saw on another post on here with the same question that someone said it was

B. The sum of the volumes of X and Z equals the volume of Y.

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3 years ago
A customer service phone line claims that the wait times before a call is answered by a service representative is less than 3.3
Vika [28.1K]

Answer:

(A) Yes, since the test statistic is in the rejection region defined by the critical value, reject the null. The claim is the alternative, so the claim is supported.

Step-by-step explanation:

Null hypothesis: The wait time before a call is answered by a service representative is 3.3 minutes.

Alternate hypothesis: The wait time before a call is answered by a service representative is less than 3.3 minutes.

Test statistic (t) = (sample mean - population mean) ÷ sd/√n

sample mean = 3.24 minutes

population mean = 3.3 minutes

sd = 0.4 minutes

n = 62

degree of freedom = n - 1 = 62 - 1 = 71

significance level = 0.08

t = (3.24 - 3.3) ÷ 0.4/√62 = -0.06 ÷ 005 = -1.2

The test is a one-tailed test. The critical value corresponding to 61 degrees of freedom and 0.08 significance level is 1.654

Conclusion:

Reject the null hypothesis because the test statistic -1.2 is in the rejection region of the critical value 1.654. The claim is contained in the alternative hypothesis, so it is supported.

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3 years ago
On the first 3 of 4 consecutive days, Gary delivered 78, 52, and 70 newspapers. How many newspapers did Gary deliver on the four
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He delivered 88 on 4th day
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You sign up for a movie plan that costs $12 per month. You get the first 2 months free. If you use the plan for 24 months, how m
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Evaluate: x^2 + x - 5 for x = 3.
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Hey there! You have to use PEMDAS.

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