Answer:
It's D
Step-by-step explanation:
Percent means per one-hundred
300(10/100)=30
So 30 of the 300 workers were satisfied with their benefits.
Answer: H0: p1 ≤ p2, Ha: p1 > p2
Step-by-step explanation:
According to the information obtained, we can say that the hypothesis that determines that the percentages of support votes are different between the two incumbent candidates is as follows
H0: p1 ≤ p2, Ha: p1> p2
where the null hypothesis represents the difference between proportions
After the 25% discount the vase would cost $18.00
Answer:
75.
Step-by-step explanation:
If the mean is 75 miles per gallon and the standard deviation is of 10 miles per gallon, it means that most values will fall between 65 and 85 miles.
The percentile 50 falls in the middle of this range, therefore, the value that represents the 50th percentile will be:
(65 +85) / 2 = 150 / 2 = 75.