3 years ago

PLEASE HELP I WILL GIVE BRAINLIEST TO WHOEVER SOLVES THIS FIRST ITS A GRADE :)!!

Mathematics

2 answers:

Andru [333]3 years ago

5 0

Answer:

B- the volleyball one

Step-by-step explanation:

A negative correlation is a relation where one variable goes up and another variable goes down. One variable in this is the volley ball time. Another is the amount of free time. As the time spent on volley ball goes up, the free time goes down and vice versa.

olga2289 [7]3 years ago

4 0

I think it's option D, let me know if this helps

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Answer:

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3 years ago

Breyers is a major producer of ice cream and would like to test the hypothesis that the average American consumes more than 17 o

zhenek [66]

Answer:

The p-value would be 0.0939

Step-by-step explanation:

We can set a standard t-test for the Null Hypothesis that $H_0: 18.2\geq 17$

The test statistic then takes the form

$t=\frac{18.2-17}{3.9/\sqrt{15}}=1.317$

with this value we then can calculate the probability that is left to the right of this value $P(X>1.317)$ . From theory we know that t follows a standard normal distribution. Then $P(X>1.317)=0.0939$ which is smaller than the p-value set by Breyers of 0.10