Answer:
a) x = 94 units/month
b) s = 51.50 units/month
Step-by-step explanation:
The adequate point estimation of the population mean and standard deviation are the sample mean and sample standard deviation.
a) Point estimation of the population (sample mean)

b) Point estimation of the population standard deviation (sample standard deviation)

Answer:
I and III
Step-by-step explanation:
Rectangualr prism solid figure can be made woth more than 1 shape
A 10x7 =70 and u use i-ready cool