Answer:
There is evidence for the claim that less than 10% of the test results are wrong
Step-by-step explanation:
Given that the company Drug Test Success provides a "1-Panel-THC" test for marihuana usage.
Among 300 tested subjects, results from 27 subjects were wrong (either a false positive or a false negative.)
Sample proportion = 
H0: p = 0.10
Ha: p <0.10
(left tailed test)
p difference = 0.09-0.10 = -0.01
Std error = 
z statistic = -1.9245
p value = 0.027
Since p <0.05 we reject H0
There is evidence for the claim that less than 10% of the test results are wrong
The answer is definitely 7xf
She’ll work 6 hours moving lawns which will give her $48.
then she’ll work 4 hours babysitting which will give her $48.
$48+$48=$96.
it’ll be a total of 10 hours that week.
100+30=130
130%=520
divide both sides by 13
10%=40
times 10 both sides
100%=400
original price is $400