Answer:
80.0456<<81.1210
Step-by-step explanation:
-Given the mean, and
, the confidence interval can be calculated using the formula:
#We substitute our values in the formula to solve for CI:
Hence, the confidence interval lies between 80.0456 and 81.1210
Answer:
Step-by-step explanation:
his salary S is raised by 300 dollars
Algebraic expression
s+120
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Answer:
The difference between the pulse rate of 36 beats per minute and the mean pulse rate for females is 42 beats per minute.
Step-by-step explanation:
We are given that for a data set of the pulse rates of adult females, the lowest pulse rate is 36 beats per minute, the mean of the listed pulse rate is x = 78.0 beats per minute, and their standard deviation is s = 13.7 beats per minute.
The mean pulse rate for females = = 78.0 beats per minute
The standard deviation of the listed pulse rate = s = 13.7 beats per minute
The given pulse rate is = 36 beats per minute
So, the difference between the pulse rate of 36 beats per minute and the mean pulse rate for females is given by;
= - 36
= 78 - 36 = 42 beats per minute
Hence, the required difference is 42 beats per minute.