Answer:
12
Step-by-step explanation:
If she has 12 cups of yogurt and each cup only uses 1 cup then she can make 12 smoothies
Answer:24
Step-by-step explanation:
Subtract 8 from 22 = 1/4a+1/3a=14
Add the fractions together =7/12a=14
Divide 14 by 7/12 and a=24
Answer:
5.4 * 10^10
Step-by-step explanation:
Answer:
62$
Step-by-step explanation:
FORGET THEM IM SAVING MY MONEY
Answer:
Option C
Step-by-step explanation:
Given that for a random sample of 20 houses selected from a city showed that the mean size of these houses is 1880 square feet with a standard deviation of 320 square feet.
X, the sizes of houses is Normal
Hence sample mean will be normal with
Mean = 1880
and std dev =
For 90% confidence interval critical value for t with degree of freedom 19 is
1.328
Confidence interval upper bound
= mean + margin of error
=
Option C is right