Please answer before Friday, May 7
2 answers:
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Answer:
Rita drove <u>275 miles</u> in 5 hours
Step-by-step explanation:
Given:
Average speed at which Rita drove = 55 mi/h
Expression to find the distance driven by Rita in hours isgiven as:
To find the distance driven by Rita in 5 hours.
Solution:
In order to find the distance driven by Rita in 5 hours we will plugin in the expression given to calculate the distance driven by Rita.
Thus, distance traveled by Rita in 5 hours can be calculated as:
⇒
⇒ (Answer)
Answer:
Population standard deviation (σ) = 0.3 in
Step-by-step explanation:
Sample mean = 3.07 in
Sample standard deviation (s) = 0.21 in
Sample size (n) = 62 cups
Population standard deviation (σ) = ?
The point estimate for the population standard deviation is given by sample standard deviation divided by the square root of the sample size: