Concept explainers
a)
To interpret: The confidence interval.
a)
Explanation of Solution
Given:
The confidence level is 95% Confidence interval = (317.64, 394.56)
Formula used:
The formulas to compute the margin of error and point estimate are:
The
There is 95% possibility that mean number of licks fall between 317.64 and 394.56.
b)
To find: The point estimate and the margin of error.
b)
Answer to Problem T8.12SPT
The values are 356.1 and 38.5.\
Explanation of Solution
The point estimate and margin of error are calculated as:
Thus, the required values are 356.1 and 38.5.
Chapter 8 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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