That would be 30 minutes since 2 1/2 hours equals 150 minutes, a fifth of 150 is 30.
Answer:I think it’s 61 minutes
Step-by-step explanation:
you have to calculate the SID number and then take it upon yourself and divided X it's actual number and then there's a chance and the answer would be c.72
Answer:
The t-distribution is used.
Step-by-step explanation:
When we dont know the standard deviation of the population, we use the t-distribution(t-table).
Otherwise, the z-distribution(z-table) is used.
So the answer to this question is the t-distribution.
Answer:(7,3)
Step-by-step explanation:
