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3 years ago

How many times does 3 go into 36

Mathematics

2 answers:

TiliK225 [7]3 years ago

8 0

36 divided by 3 =12

Aloiza [94]3 years ago

4 0

Think of it this way. One times three is three Two times three is six. Three times three is nine. Four times three is twelve. Five times three is fifteen. Six times three is eighteen. Seven times three is twenty one . Eight times three is twenty four. Nine times three is twenty seven. Ten times three is thirty. Eleven times three is thirty three. Twelve times three is thirty six. Now, I think you have noticed that I went through all of the threes, and I came to a conclusion, that twelve is the answer! Another way is to do thirty six divide by three..Hope that this all would help you!

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A sample of 47 observations is selected from a normal population. The sample mean is 30, and the population standard deviation i

erma4kov [3.2K]

Answer:

We accept the null hypothesis and reject the alternate hypothesis. There is no evidence to conclude that the population mean is greater than 29. The population mean is less than or equal to 29.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 29

Sample mean, $\bar{x}$ = 30

Sample size, n = 47

Alpha, α = 0.05

Population standard deviation, σ = 5

First, we design the null and the alternate hypothesis

$H_{0}: \mu \leq 29\\H_A: \mu > 29$

a) This is a one-tailed test because the alternate hypothesis is in greater than direction.

We use One-tailed z test to perform this hypothesis.

b) $z_{stat} > z_{critical}$ , we reject the null hypothesis and accept the alternate hypothesis and if $z_{stat} < z_{critical}$ , we accept the null hypothesis and reject the alternate hypothesis.

c) Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{30 - 29}{\frac{5}{\sqrt{47}} } = 1.37$

d) Now, $z_{critical} \text{ at 0.05 level of significance } = 1.64$

Since,

$z_{stat} < z_{critical}$

We accept the null hypothesis and reject the alternate hypothesis. There is no evidence to conclude that the population mean is greater than 29. The population mean is less than or equal to 29.

e) P-value is 0.0853

On the basis of p value we again accept the null hypothesis.

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3 years ago

7.2 is 250% of what number

Vlada [557]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

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Artyom0805 [142]

Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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