3 years ago

Which one is correct

Mathematics

1 answer:

g100num [7]3 years ago

8 0

Answer:C.

Step-by-step explanation:

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An article measured speeds of vehicles on several roads in the state of Kansas. On South Cedar Niles, 73 vehicles were observed,

shutvik [7]

Answer:

The $p-$ value is $0.2996$ .

Step-by-step explanation:

This is a right-tailed test.

The null and alternative hypothesis is

$H_0:p=0.60\\H_a:p>0.60$

Point estimate $=$ sample proportion $=\hat{P}=x/n=0.630$

Test statistics

$z=\left(\hat{p}-p_{0}\right) / \sqrt{p}_{0^{*}}\left(1-p_{0)} / n\right.$\\$=(0.630-0.60) / \sqrt{(0.60 * 0.40) / 73}$\\$=0.526$\\P-value $=P(Z>z)$\\$=0.2996$\\The $\mathrm{P}$ -value is $0.2996$

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3 years ago

Consider the system of equations.

Lyrx [107]

Answer:

-2 and -3

Step-by-step explanation:

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4 years ago

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Write your answer with no space and any fraction with “/“

andrew11 [14]

Answer:

y= 3x-1

Step-by-step explanation:

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3 years ago

Carlos bought 17 boxes of cereal. This is 20% of the total boxes at the store. In order to find the total number of boxes at the

Brilliant_brown [7]

Answer:

Just a cheerful teen willing to help,

wishing you a splendiferous day.

Step-by-step explanation:

In order to find the total number of boxes, workout 100% of the boxes of cereal.

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Divide 33 photos into two groups so the ratio is 4 to 7

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Group 1: 12
Group 2: 21

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