The question is in the picture
1 answer:
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Answer:
-4
Step-by-step explanation:
Assuming that the following equation is correct, begin by solving the operations within parentheses and absolute value expressions.
|3 - 8| -
|-5| -
The absolute value of -5 is 5; -5 is five units away from 0. 12/4 is equal to 3.
5 -
5 - 9 = -4
The simplified expression is equal to -4.
Answer:
The sample size is
Step-by-step explanation:
The population proportion is
The margin of error is
From the question we are told the confidence level is 90% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of is
Generally the sample size is mathematically represented as
=>
=>