**Answer:**

The critical value for the 90% confidence interval is .

**Step-by-step explanation:**

In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of , we have the following **confidence interval of proportions.**

**In which
**

z is the z-score that has a p-value of .

**90% confidence level
**

So , z is the value of Z that has a p-value of , so .

The critical value for the 90% confidence interval is .

I think the answer is 7×(3×5)=(7×3)×5

**Answer:**

15 more

**Step-by-step explanation:**

John has 36 sweets and he shares them in the ratio 2 : 7.

How many sweets is the larger share?