Question 1
Not yet graded/ 1 pts
2 cards are drawn from a standard, 52-card deck. What's the probability that the first
card is a 7, and the second card is an ace?

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6

If 20% of a number is 35, what is 50% of that number?