Answer:
Jillian is incorrect because square roots of perfect squares are rational.
Step-by-step explanation:
√25 = √(5²) = 5 - rational
25 is perfect square.
Answer: 2.28 %
Step-by-step explanation:
Given : Mean :
Standard deviation :
The formula to calculate the z-score :-
For x = 72
The p-value =
In percent,
Hence, the percentage of pediatricians work more than 72 h per week = 2.28 %
Answer:
2/27 mile per minute
Step-by-step explanation:
20% of $28.00 = $5.60
$28.00 - $5.60 = $22.40
$22.40 - $2.00 = $20.40
Answer : The price of the book bag would be $20.40.