Chapter 9.1, Problem 6E

To determine

The appropriate null and alternate hypothesis for the particular competition of ski jumpers is to be explained.

Answer to Problem 6E

The appropriate null and alternate hypothesis for the particular competition of ski jumpers is:

  $H_0:\text{}\sigma =10,H_a:\text{}\sigma >10$ respectively.

Explanation of Solution

For the population value, alternate hypothesis is used the following symbols:

Proportion: $p$

Mean: $\mu$

Standard Deviation: $\sigma$

The values mentioned to claim is equal to the population value is given by the null hypothesis:

  $H_0:\text{}\sigma =10$

And the alternate hypothesis is exactly opposite to null hypothesis:

  $H_a:\text{}\sigma >10$

Conclusion:

So the hypothesis test is:

  $\begin{array}{l}{H}_0:\text{}\sigma =10\\ H_a:\text{}\sigma >10\end{array}$