Answer:
$24.50
Step-by-step explanation:
Money saved for each shirt:
=$9. 10/2
=$4.55
Original price of the shirt:
=$19. 95 + $4.55
=$24.50
Answer:
A
Step-by-step explanation:
Answer:
17 1/2
Step-by-step explanation:
17 2/4 is the given and 2/4 is equivalent to one half so the answer is 17 1/2.
Hopefully you understand it now.
Answer:
Step-by-step explanation:
a)
zo=(89.0-92.2)/sqrt((1.5/15)+(1.2/20))
zo=-8.00
p-value=0.0000
Reject the null hypothesis.
b)
95% confidence interval for difference
=(89-92.2)+/-1.96*sqrt((1.5/15)+(1.2/20))
=-3.2+/-0.78
=(-3.98, -2.42)
The answer is 54, 5 is 1 more than 4, they equal 9, 54 is 6 times greater than 9