3 years ago

Pls only choose the correct answer

Mathematics

2 answers:

tino4ka555 [31]3 years ago

4 0

Answer:

Step-by-step explanation:

rjkz [21]3 years ago

3 0

The only possible one is 1/8 and the answer would be B. 0.125

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The vertex angle of an isosceles triangle measures 40°. What is the measure of a base angle?

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Two hundred students are going to dine with the principal as their reward for perfect attendance. A random survey of 25 of these

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A recent survey indicated that the average amount spent for breakfast by business managers was $9.33 with a standard deviation o

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Answer:

$t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}$ (1)

Replacing the info given we got:

$t=\frac{9.41-9.33}{\frac{0.24}{\sqrt{81}}}=3$

Step-by-step explanation:

Information given

$\bar X=9.41$ represent the sample mean

$s=0.24$ represent the sample standard deviation

$n=81$ sample size

$\mu_o =9.33$ represent the value to verify

$\alpha=0.05$ represent the significance level

t would represent the statistic

$p_v$ represent the p value

Hypothesis to test

We want to test if the true mean is higher than 9.33, the system of hypothesis would be:

Null hypothesis: $\mu \leq 9.33$

Alternative hypothesis: $\mu > 9.33$

The statistic is given by:

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Replacing the info given we got:

$t=\frac{9.41-9.33}{\frac{0.24}{\sqrt{81}}}=3$

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Answer:

yes

Step-by-step explanation:

multiply 6 for the numerators and denominaters

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