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11111nata11111 [884]
3 years ago
14

A box shaped figure like a rectangular prism has a length of 8 inches and a width of 8 inches its volume is 512 cubic inches. wh

ats the height of the box
A 64
B 8
C 24
D 16
Mathematics
2 answers:
IgorC [24]3 years ago
7 0

Answer:64

Step-by-step explanation:Just multipl 8 x 8

tamaranim1 [39]3 years ago
4 0

Answer

A 64

Step-by-step explanation:

you first multiply 8 times 8 .witch i got 64 so the height is 64

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Answer:

1. M = 7-5n

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2 years ago
PLEASE HELP ME I BEG I WILL GIVE BRAINLIEST
ohaa [14]

Answer:

Mean = (2.2 + 2.4 + 2.5 + 2.5 + 2.6 + 2.7)/6 = 2.48

Standard deviation = √(summation(x - mean)²/n

n = 6

Summation(x - mean)² = (2.2 - 2.48)^2 + (2.4 - 2.48)^2 + (2.5 - 2.48)^2 + (2.5 - 2.48)^2 + (2.6 - 2.48)^2 + (2.7 - 2.48)^2 = 0.1484

Standard deviation = √(0.1484/6

s = 0.16

Standard error = s/√n = 0.16/√6 = 0.065

Part B

Confidence interval is written as sample mean ± margin of error

Margin of error = z × s/√n

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Therefore, z = 3.365

Margin of error = 3.365 × 0.16/√6 = 0.22

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We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

H0: µ = 2.3

For the alternative hypothesis,

H1: µ > 2.3

This is a right tailed test

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Since n = 6

Degrees of freedom, df = n - 1 = 6 - 1 = 5

t = (x - µ)/(s/√n)

Where

x = sample mean = 2.48

µ = population mean = 2.3

s = samples standard deviation = 0.16

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We would determine the p value using the t test calculator. It becomes

p = 0.02

Assuming significance level, alpha = 0.05.

Since alpha, 0.05 > than the p value, 0.02, then we would reject the null hypothesis. Therefore, At a 5% level of significance, the sample data showed significant evidence that the mean absolute refractory period for all mice when subjected to the same treatment increased.

Step-by-step explanation:

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Answer:

The answer is D on edge.

Step-by-step explanation:

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