The probability that she will choose oatmeal is 1/4. Oatmeal is one choice out of the four possible choices of oatmeal, cereal, French toast, and scrambled eggs. So the answer is 1/4 or 25%.
He'll have 2 4/15 of the room will be painted in two hours
Answer:
Under 99% confidence level we can say that mean speed of the new chips is greater than that of the old chips
Step-by-step explanation:
: Mean speed of the new chip is the same as the old chip
: Mean speed of the new chip is greater than the old chip
to calculate the z-statistic we can use the formula:
z=
if we put the numbers then
z=
=4.8171
The probability of this z-statistic is < 0.001 Therefore Under 99% confidence level we can say that mean speed of the new chips is greater than that of the old chips
Answer:
Average of amount of time students spend trying to find an eatery spot on campus.
The sample would be a pool of 100 students to survey from.
Population would be all the students attending Harvard university.
Statistic would be the average amount of time spend looking for eatery spot in campus.
The parameter would be the mean used to find the average amount of time spent looking for eatery spot in campus.
It was a convenient sample.
Step-by-step explanation:
A population is the entire pool from which a statistical sample is drawn. In this case our population is the entire students that attend Harvard University.
A sample is usually drawn from a population. In this case, the 100 students that were drawn from the population is the sample.
The sample was a convenient sample as the sample can be easily drawn from the population population, it doesn't depend on any probability.
Answer:
She paid $77 in total for all 3 haircuts
Step-by-step explanation:
Add 15+23+32=70 then divide 70 by 100 that equals .7 then multiply that by 10 it equals 7 and add the original amount of 70 to 7 and it equals 77.
