Hello!
3.41 × 8.5 = 28.985
The product of 3.41 and 8.5 is 28.985, which has three decimal places.
Answer:
C
Step-by-step explanation:
just plug in 3 to x and solve
Since we are not given any information about the proportion, we will assume the sample proportion to be 0.50
so,
p = 0.50
The Error is 10% percentage point. This means that on either side of the population proportion the error is 5% so E = 0.05
z = 1.645 (Z value for 90% confidence interval)
The margin of error for population proportion is calculated as:
This means 271 students should be included in the sample