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2 years ago

6

If equation for the straight line passing through the point (-2; 3 ) and (- 3; 2)

1 answer:

galina1969 [7]2 years ago

4 0

The equation for that line is y=x+5

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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

olasank [31]

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:

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

Replacing the info given we got:

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

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3 years ago

The perimeter of the square below is 36 yards. What is the length of each side? <br> yards

Inessa05 [86]

Answer:

9 yards

Step-by-step explanation:

36 divided by 4 = 9

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2 years ago

Read 2 more answers

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dusya [7]

Answer:

he was being cheated

Step-by-step explanation:

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2 years ago

there are five people in a room each person shakes the hand of every person exacally once how many handshakes or exchanged

nalin [4]

25 because there's 5 people so you take 5 times 5

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3 years ago

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erma4kov [3.2K]

Gosh do you have logic

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