1 minute 8.25 seconds per mile
Answer:
The 95% confidence interval is
Step-by-step explanation:
From the question we are told that
The sample size is n = 26
The mean is
The standard deviation is 
From the question we are told the confidence level is 95% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of
is
Generally the margin of error is mathematically represented as
=>
=>
Generally 95% confidence interval is mathematically represented as
=>
=>
The 8h stands for how much she makes an hour the 15t is how much she makes per tablet she sells. two terms in the expression, h and t, because you are solving for them. t for part c
Answer:
:)
Step-by-step explanation:
28
/ \
2 14
/ \
2 7
Answer:
10.
Step-by-step explanation:
AK = KB so
3x + 1 = 1/3 x + 9
3x - 1/3 x = 9 - 1 = 8
Multiply through by 3:
9x - x = 24
8x = 24
x = 3
So AK = 3(3) + 1 = 10.