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3 years ago

THIS IS ADVICE TO PPL WHO WANNA WATCH THAT MOVIE "MEGAN IS MISSING"

Mathematics

2 answers:

jolli1 [7]3 years ago

5 0

I have no idea what I’m reading but I guess this makes sense

seropon [69]3 years ago

4 0

Answer:

"Okay, I jotted it down on my handy dandy notepad"

- quoted by Blues clues and then used by Melissa Pirie in order to answer/take this girl/boy advice

also if possible can i have brainliest

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Assume that you plan to use a significance level of α = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numb

dezoksy [38]

Answer:

The calculated value Z = 3.775 > 1.96 at 0.05 level of significance

Null hypothesis is rejected

The Two Population proportion are not equal

Step-by-step explanation:

Given first sample size n₁ = 677

First sample proportion

$p^{-} _{1} = \frac{x_{1} }{n_{1} } = \frac{172}{677} = 0.254$

Given second sample size n₂ = 3377

second sample proportion

$p^{-} _{2} = \frac{x_{2} }{n_{2} } = \frac{654}{3377} = 0.1936$

Null Hypothesis : H₀ : p₁ = p₂.

Alternative Hypothesis : H₁ : p₁ ≠ p₂.

Test statistic

$Z = \frac{p_{1} ^{-}-p^{-} _{2} }{\sqrt{P Q(\frac{1}{n_{1} } +\frac{1}{n_{2} }) } }$

where

$P = \frac{n_{1} p_{1} + n_{2} p_{2} }{n_{1}+n_{2} } = \frac{677 X 0.254+3377 X 0.1936}{677+3377}$

P = 0.2036

Q = 1 - P = 1 - 0.2036 = 0.7964

$Z = \frac{0.254- 0.1936 }{\sqrt{0.2036 X 0.7964(\frac{1}{677 } +\frac{1}{3377 }) } }$

Z = 3.775

Critical value ∝=0.05

Z- value = 1.96

The calculated value Z = 3.775 > 1.96 at 0.05 level of significance

Null hypothesis is rejected

The Two Population proportion are not equal

3 0

3 years ago

The table is shows the fraction of the votes that each candidate received. If 230 students voted, how many students voted for ea

asambeis [7]

Nyemi

147 students

Luke

Natalie

7 0

3 years ago

Read 2 more answers

6^-3 evaluate the expression

Len [333]

Answer it like you would with a positive whole #: 6 times 6 times 6 is 216. Since it’s an exponent being multiplied negative 3 times —> fraction form.

1/216 is your final answer or you can also put it in decimal form.

5 0

3 years ago

A car travels 300 miles on 12 gallons of gas. How far can it go on 17 gallons of gas.

Sedaia [141]

Answer:

425 miles

Step-by-step explanation:

300 miles per 12 gallons = 25 mpg

25 mpg multiplied by 17 gallons = 425 miles

3 0

4 years ago

Jonas is jogging from the Park to the school. He has jogged 0.424 miles so far. He has 0.384 mile left to jog. How far is the pa

Wittaler [7]

Answer:the park is located 0.808 miles away from the school

Step-by-step explanation:

Jonas is jogging from the Park to the school. The total number of miles that Jonas has jogged so far is 0.424.

He has 0.384 mile left to jog. This means that the distance of the park from the school would be the sum of the distance that he has jogged so far and the distance that he has left to jog. It becomes

0.424 + 0.384 = 0.808 miles

7 0

3 years ago