Answer:
$1.13
Step-by-step explanation:
Since 6 pound bag of oranges costs $6.78...
Now, let's divide 6.78 in to 6 to find our unit price.
Now we know 1 pound, (our unit price), costs...
Rewrite the expression -8(6x+3)
2 answers:
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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