Answer:
Reject H0 since test statistic <-2.492
Step-by-step explanation:
Given that the American Water Works Association reports that the per capita water use in a single-family home is 74 gallons per day.
n = 25
x bar = 69
s= 8.3
std error = s/sqrt n = 
H0:
Ha: 
(Left tailed test at 5% significance level)
a) Reject H0 if t
-2.492
b) Test statistic = mean difference/std error
= 
=-3.01
df =24
c) Reject H0
9514 1404 393
Answer:
0.09
Step-by-step explanation:
The probability of the complement of A is the difference between 1 and P(A):
4*1.08
=4.32kg
Gavin bought 4.32kg of cheese.
Hope this helps! A thanks/brainiest answer would be appreciated :)
Answer:
26.75 i think
Step-by-step explanation:
s=2^2=4
t1=4(.5) = 2
t2(5 times 2 times .5) = 5
t3=3.5(9) times .5 = 15.75
add all
Answer:
False
Step-by-step explanation:
15 is 3 times 2 while 75 is 15 times 5
