0.87 is 87/100 as a fraction.
Since 87/100 is already simplified, the answer is 87/100.
Hope this helps!

<span>the missing exponent is
-3</span>
Answer:
99% CI:

Step-by-step explanation:
We have to calculate a 99%CI for the difference of means for the vegan and the omnivore.
First, we have to estimate the standard deviation

The MSE can be calculated as

The weighted sample size nh can be calculated as

The standard deviation then becomes

The z-value for a 99% confidence interval is z=2.58.
The difference between means is

Then the confidence interval can be constructed as

Answer:
Step-by-step explanation:
I'll help you just let me figure this out real quick, do you still want the answer?