Ok well I will send it you your phone number I can text
Answer:
There is sufficient evidence to support the claim that the standard deviation is less than 14.7.
Step-by-step explanation:
From the question we are told that that the null hypothesis is

Now given from the question that this null hypothesis was rejected, it mean, in non technical term that there is sufficient evidence to support the claim that the standard deviation is less than 14.7.
It depends on the quality of the balls. It also depends on where you are buying them. Do you have any more details?
You are multiplying 975 by 0.034
33.15