When the level of confidence and sample standard deviation remain the same, a confidence interval for a population mean based on
1 answer:
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Answer:
1.49 x hours
Step-by-step explanation:
1 day=24hours
1 year=365 days
365days=24 x 365=8760hours
17 years
= 8760hours x 17
=148920hours
=1.4892 x
= 1.49 x hours
Answer:
5
8
14
Step-by-step explanation:
1. (Answer)
{As we know that for a ≠ 0}
2. (Answer)
{We know, }
3. (Answer)
Note: When there is no brackets, we perform the operation of '×' and '÷' first and then we perform the operation of '+' or '-'