Answer:
yes
Step-by-step explanation:
{X| -4 < x < 2, X € R}
Both < signs should be greater than OR EQUAL signs, I just couldn’t find that symbol, sorry.
74/100=34/n
cross multiply proportion
74n=3400
then divide both sides by 74
n= ~46
Considering the situation described, the hypothesis tested are given as follows:
- The null hypothesis is

- The alternative hypothesis is

<h3>What are the hypothesis tested?</h3>
At the null hypothesis, it is tested if the standard deviation is not less than $23, that is:

At the alternative hypothesis, it is tested if there is significant evidence t conclude that the standard deviation is less than $23, that is:

More can be learned about an hypothesis test at brainly.com/question/26454209