Answer:
3
Step-by-step explanation:
Using listing:
No other factors are possible.
Hence, 1, 3, 7 and 21 are factors of 21.
If you are trying to reduce overall expenses, which budget category is easiest to make spending adjustments to?
2 answers:
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Answer:
The significance level is and since we are conducting a right tailed test we need to find a critical value who accumulate 0.01 of the area in the right of the normal standard distribution and we got:
So we reject the null hypothesis is
Step-by-step explanation:
For this case we define the random variable X as the number of entry-level swimmers and we are interested about the true population mean for this variable . On specific we want to test this:
Null hypothesis:
Alternative hypothesis:
And the statistic is given by:
The significance level is and since we are conducting a right tailed test we need to find a critical value who accumulate 0.01 of the area in the right of the normal standard distribution and we got:
So we reject the null hypothesis is