3 years ago

Use P = 2(l + w) to find the perimeter (P) of a rectangle where l = 7 ang W = 4

Mathematics

1 answer:

Nady [450]3 years ago

4 0

P= 2(7+4)
P= 2(11)
P= 22

Final answer: 22 units

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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