Answer:
Step-by-step explanation:
answer C
About 67%, percent of all students at Ridgemont High prefer pizza for lunch.
Answer:
c. The expected values of R and S will be equal, and the variability of R will be greater than the variability of S.
Step-by-step explanation:
This is Central Limit Theorem concept in which independent variables are added and form a normal distribution. The random sample of n sample size is selected which calculates normally distributed mean and variance. The expected value of samples distributor will be higher than the sample distribution.
10% because walking is only 10 percent of the hrs
The answer would simplify to 1/6.
