What z score separates the top 70% of the normal distribution from the bottom 30%?

You are going to meet a friend at the airport. Your experience tells you that the plane is late 70% of the time when it rains, but is late only 20% of the time when it does not rain. What is the probability that the plane will be late?

What is three-quarters of sixty-four

What is an equivalent fraction for 2/6 and 2/5

Find the 14th term of the geometric sequence 2, 6, 18, ...

Mary earns $5 per hour as a waitress. Last week she took home her regular earnings of $5 per hour plus $186 in tips for a total of $301. Which equation can be used to find how many hours, h, Mary worked last week? A. $301 = $5h + $186 B.

What is rhe persent increased and rounded to the nerest persnt in 86to 150

How do I Factor 125x^3 - 64 The answer is not (5x+4) (5x-4) or (5x-4) (25x^2 + 15x+16)

Is 20.25 a rational number

Decide whether the number is a solution of the equation Is 5 a solution of 4f=25-f

Simplify the expression. 5 ^ 0 A. 0 b. 0.5 c. 1 d. 50