95% fall within 2 standard deviations of the mean
A is 9 3/4 hours. 2/4 equals a half so 1/2 +1/4 equals 3/4
Answer:
Y=-1
Step-by-step explanation:
Y-4-4Y=-1
-3Y=-1+4
-3Y=3
Y=3÷-3
Y=-1
I hope this helps you.
4/10 = .4
3/8 = .375
.4 > .375, so Clara will reach more people
Another way to look at it:
4/10 * 40 to 4 * 4 = 16 people reached
3/8 * 40 to 3 * 5 = 15 people reached
