Answer:
95% confidence interval = ( 28.9485, 40.1515 )
Step-by-step explanation:
sample size( n ) = 52
mean value ( x )= 34.55
std ( б ) = 20.12
H0 : <em>u </em>≤ 30
Ha : u > 30 ( claim )
95% confidence interval for mean SPF level ( df = 51 )
= mean value ± 
95% confidence interval = ( 28.9485, 40.1515 )
we cannot reject H0
Answer:
it divides by five
Step-by-step explanation:
500/5=100
100/5=20
20/5=4
4/5=0.8!
Brainliest pls
Answer:
35=35
Step-by-step explanation:
-(6m+7)-6(-7-m)=35
-6m-7-6(-7-m)=35
Answer:
The side that is labeled as 7 is 28 the side that is labeled as 5 shoud be 20 the side that is labeled as 4 should be 16
Step-by-step explanation:
Sorry I cant take a screen shot with my computer but here is the explanation it says that the scale factor is 1/4 so I just did 1/4 ÷ 7,5,and 4
Answer:
10ft
Step-by-step explanation:
