Answer:
Incorrect
Step-by-step explanation:
This interpretation is incorrect because it states that 98% of the data is with in the confidence interval.
or 98% of the laptop have screen size between 19.2 and 21.4 inches
However, the interpretation would have been correct if it would have stated as - Value of the population mean i.e mean size of the laptop screen lies within the confidence interval.
Answer:
12
Step-by-step explanation:
Step-by-step explanation:
I used a calculator but the answer is 1 1/6
21.1 should be the correct answer because 4.5% of 2000 is 90