Answer is From all those aforementioned, the true statement is: Thanh’s grade is 2.5 standard deviations below the mean of the test grades.
explanation
The z scores are standard deviations. If, for example, a tool returns a z score of +2.5, it means that the result is a standard deviation of 2.5. Very high or very low (negative) z scores associated
with very low p values are at the ends of the normal distribution.
Answer:
5 bags of popcorn and 6 candies.
Step-by-step explanation:
(5 * $5.50) + ($3.5*6) = $48.5
Multiply 14 to each term: 14a+70+84b
I don’t really know this one but I’m sure someone will help