A sample is selected from a population with a mean of u=100 and a standard deviation of o-20 what is the expected value of m and the standard error for a sample of n=4

Beth walked 3 blocks in 15 minutes. based on this rate, determine if this statement is true or false

Johns coffee shop makes a blend that is a mixture of two types of coffee. type a cost 4.05 per lb. and type b cost 5.60 per lb. This month john made 142 lbs of the blend for a cost of 655.70. how many lbs of type a did he use

If a and b are the two values of t that satisfy the equation t^2 - t - 6 = 0, with a≥b, what is the value of a - b? 5 -5 1 -1

Is x=2y-12 a direct variation

What is the multiplicative inverse of - 27 and what is the multiplicative inverse for 7/9 and - 9/16

A packet contains 24 pens. Henry and Alice share them in the ratio 3:5. How many does Alice receive

Ellen was learning to swim. The first day of lessons, she swam 1/6 of a lap. On the second day, she swam 1/3 of a lap. On the third day, she swam 4/6 of a lap. On which day did Ellen swim the farthest?

How do I justify my steps when simplifying?

If an event is very unlikely to occur would it's probability be zero

You order boxes of candy from Amazon. Each box of candy weighs 3.2 pounds. Amazon shipped your box that weighs 12.8 pounds of candy. How many boxes of candy did you order? Which expression represents this situation?