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oee [108]
3 years ago
9

Please Help, I really don't get it

Mathematics
1 answer:
mariarad [96]3 years ago
6 0
Miles will be spending less than last week because 2/3 is less than one.
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The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to det
seraphim [82]

Answer:

The required hypothesis to test is H_0: \mu\leq 30 and H_1: \mu>30.

Step-by-step explanation:

Consider the provided information.

It is given that the nightclub has recently surveyed a random sample of n = 250 customers of the club.

She would now like to determine whether or not the mean age of her customers is over 30.

Null hypotheses is represents as H_0. Thus the null hypotheses is shown as:

H_0: \mu\leq 30

The alternative hypotheses is represents as H_1. Thus the alternative hypotheses is shown as:

H_1: \mu>30

Hence, the required hypothesis to test is H_0: \mu\leq 30 and H_1: \mu>30.

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3 years ago
Would 45% of 160 be greater than or less than 80?
Nadusha1986 [10]
45% is less than 80. The actual answer is 72. Hope that helps :)
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Which number has two lines of symmetry?<br><br> 101<br> 619<br> 33<br> 18 <br> not multiple answer
podryga [215]

Answer:

The number is 33

Step-by-step explanation:

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