Answer:
<h2>69.5</h2>
Step-by-step explanation:
Given the confidence interval of the heights of american heights given as (65.3,73.7);
Lower confidence interval L = 65.3 and Upper confidence interval U = 73.7
Sample mean will be the average of both confidence interval . This is expressed mathematically as 

Hence, the sample mean is 69.5
Answer:
15 batches of cookies
Step-by-step explanation:
We need to find out how many third cups do into 5 cups. We can do this by 5 ÷ 1/3
When dividing fractions, use KFC:
- Keep the first fraction the same
- Flip the second fraction
- Change the sign from ÷ to ×
Therefore, 5 ÷ 1/3 = 5 × 3/1 which is 15 batches of cookies
Hope this helps!
Answer:
I think its b
Step-by-step explanation:
Answer:
she spends 50 hours with her baby and 30 hours on math
Step-by-step explanation:
80/2 = 40
Since baby needs to be 10 more you do 40+10 = 50
and 80 - 50 = 30
Hence the answer
at least i think