Yup it's correct :) good job!
Common difference = 1/3 - 2/3 = 1-2 / 3 = -1/3
In short, Your Answer would be -1/3
Hope this helps!
<span>solution:
we have, mean =8.4 hrs, std. deviation = 1.8 hrs, sample size n = 40 , X = 8.9
Probability(X<8.9) = ?
we know that, Z = (X - mean)/(std. deviation/(sqrt. n)) = (8.9 - 8.4)/(1.8/(sqrt.40))
Z = 1.7568
from standard normal probabilities table, we have , P(Z<1.7568) = 0.9608
Hence, probability that the mean rebuild time is less than 8.9 hours is 0.9608</span>
Congruent triangles have equal corresponding sides and angles.
- The measure of the side lengths are: , and
- The measure of the angles are: , and
The given parameters are:
means that triangles DEF and GHJ are congruent triangles.
So, we have:
This gives
Also, we have:
This gives
Also, we have:
This gives
The following angles are also congruent
This gives
Also, we have:
This gives
The measure of angle J is then calculated using
This gives
Subtract 139 from both sides
Read more about congruent triangles at:
brainly.com/question/4364353