Answer:
Option D
Step-by-step explanation:
A reporter collects a random sample of 50 runners from all the runners who finished the Cherry Blossom Ten Mile Run in 2009 and constructs a 99% confidence interval for the true mean finish time to be (86.05, 99.38) minutes.
Assuming the reporter performed the calculations correctly, which of the following statements are appropriate interpretations of this confidence interval?
We can expect that 99% of confidence intervals created using the same method the reporter used will contain the true mean run time for runners of this race.
Step-by-step explanation:
Please refer to the attachment
Its A, and both by a factor 1/15
2/15
Step-by-step explanation:
yellow Marbles =5
blue marble =5
red marbles =3
white marbles =2
total marbles =15
p of white marbles= white marble/ total marble
so 2/15
in simplest from 7.5
