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3 years ago

Find s9 for the series 1 + 5 + 25 + 125 + ...

Mathematics

1 answer:

Alinara [238K]3 years ago

3 0

Answer:

A: 248,321

Step-by-step explanation:

Hopefully this helps!

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Cups of white paint

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Step-by-step explanation:

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3 years ago

1. Jay said, “The amount of money in my checking account is less than $50.00, but greater than $40.00.” Which statements about t

Pepsi [2]

I don't know the options but I guess it would be something like this:
40,000 < x < 50,000

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3 years ago

Mickey works in a square shaped office. The area of his office is 110.25 ft2. What is the length of one side of Mickey’s office?

krek1111 [17]

Answer: A formula that can be used to find the answer is (x Squared = 110.25) So (x times x = 110.25) 10.5 is the length of one side because 10.5 squared = 110.25.

Answer is 10.5

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3 years ago

A study was conducted to compare the proportion of drivers in Boston and New York who wore seat belts while driving. Data were c

In-s [12.5K]

(A.)test statistic for this test using Ha: p8くPN is Z = -2.164 (B.) p-value (3 decimal places) is 0.015. (C.) Based on this p-value, which of the following would you expect for a 95% is negative. (D.) the correct conclusion is The proportion of Boston drivers wearing seat was significantly lower than the proportion of new York drivers wearing seat belts.

A.)

According to given data find the test statistic for this test using Ha:

p1 = 0.581

p2 = 0.832

standard error = SE = 0.116

<h3>Test statistics :-</h3>

Z = $\frac{p1 - p2}{SE}$

Z = $\frac{0.581 - 0.832}{0.116}$ = -2.164

Z = -2.164

B.)

According to given Determine the p-value (3 decimal places).

<h3>p - value</h3>

it is left tailed test.

p - value for left tailed test is,

p - value = P(Z < test statistics )

p - value = P(Z < -2.164)

P - value = 0.015

C.)

Based on this p-value, which of the following would you expect for a 95%

confidence level = 95% = 0.95

significance level = α = 0.05

P -value is less than 0.05

so, reject null hypothesis at α = 0.05

That is $P_{B}$ < $P_{NY}$

so, based on P - value , All values in the 95% confidence interval

PB - PNY is negative.

D.)

According to given data What is the correct conclusion?

Reject null hypothesis at α = 0.05

so, $P_{B}$ < $P_{NY}$

Hence, The proportion of Boston drivers wearing seat was significantly lower than the proportion of new York drivers wearing seat belts.

know more about test statics visit this link

brainly.com/question/23332597

#SPJ4

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2 years ago

Make a graph of the following region 1< x+y in the standard (X

artcher [175]

Slope of 1 dotted line

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4 years ago