Answer:
0.02275
Step-by-step explanation:
We have been given that the time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. We are asked to find the probability of completing the exam in one hour or less.
We know that 1 hour equals 60 minutes. First of all, we will find the z-score corresponding to 60 minutes.

z = z-score,
x = Sample score,
= Mean,
= Standard deviation.



Now, we will use normal distribution table to find area under z-score of
as:


Therefore, the probability of completing the exam in one hour or less is 0.02275.
The anser is 40
the resense is verticle angle are congrounent.
Answer:
Hello! Your answer would be, F)[1000, 10] AND C)[1000, 100]
Step-by-step explanation:
Hope I helped! Brainiest plz!♥ Have a nice afternoon. Hope you make a 100%! -Amelia
Buzz has 4 friends and Brock has 6.
The reason being is that Buzz has to have two less friend than Brock has, and yet still both have to add up to ten.
Answer:
F) 35,625
Step-by-step explanation:
Walter is in the 25% range since $47,500 is in-between 36,901 to 89,359
25% = 0.25
47,500 * 0.25 = 11,875
47,500 - 11,875 = $35,625