Answer:

Step-by-step explanation:
<u>Confidence Interval</u>
When the population standard deviation
is known, the formula for a confidence interval for a population mean
is:

Where n is the sample size and z is the corresponding z-value from the standard normal distribution for the selected confidence level. The value of z for a 95% confidence interval is z=1.96. The rest of the values are

Calculating the confidence interval


Or, equivalently

Angiogenesis is the first one
angiogenesis Cell Respiration is the second one
Answer:
10 1/8 years?
I hope this is right!
Step-by-step explanation:
The answer is definitely not 7.777777