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storchak [24]
3 years ago
9

The waiting time for customers at MacBurger Restaurants follows a normal distribution with a population standard deviation of 1

minute. At the Warren Road MacBurger, the quality-assurance department sampled 50 customers and found that the mean waiting time was 2.75 minutes. At the 0.05 significance level, can we conclude that the mean waiting time is less than 3 minutes? State the null hypothesis and the alternate hypothesis. State whether the decision rule is true or false: Reject H0 if z < −1.645. True False Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.) What is your decision regarding H0? Reject H0 Do not reject H0 What is the p-value? (Round your answer to 4 decimal places.) Next Visit question mapQuestion 3 of 4 Total 3 of 4 Prev
Mathematics
1 answer:
mr Goodwill [35]3 years ago
5 0

Answer:

BLUEFACE BABY YEAH AIGHT I WANNA SEE YOU BUST DOWN THOTIANA.

Step-by-step explanation:

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<u>1 is a rational number</u> because 1 can go into 1 when dividing. <u>Irrational numbers are mostly decimals. </u>

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You know the distance between two cities is 140 miles. What is the distance in kilometers?
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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B4%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B2%7D%20" id="TexFormula1" title=" \fra
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Answer:

5/4

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You just need to multiply 1/2 by 2 to give you a common denominator:

3/4+2/4

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5 0
2 years ago
Solve the equation.<br><br> -7b=21
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Answer:

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-7b=21

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Sholpan [36]

Answer:

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Step-by-step explanation:

c=30m+50

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substitute

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like terms

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