44 legs and 15 animals you have to subtract
Answer: 3. 22-8 / 4. 2x3.5 / 5.
Step-by-step explanation:
Answer:
A vector with magnitude and direction
Answer: -1.5
Step-by-step explanation:
When population standard deviation is known, then the formula to find the z-test statistic for population mean is given by :-

, where n= Sample size.
= Population mean
= Sample mean
= Population standard deviation.
As per given , we have
(average infants contracted typhoid each month)

n= 4 (No. of months)
Then , the value of the appropriate test statistic will be :




Hence, the value of the test statistic = -1.5
Step-by-step explanation:
Jimmy is on top of a mountain that is +2300 above sea level. But Jimmy's friend is on vacation,and he is scuba diving 2300 feet below sea level.In this situation,0 represents sea level.
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