Answer:
Step-by-step explanation:
Step 1 . Let take X1 = 1 Y1 = 5 , X2 = 3 and Y2 = 2
Step 2. Slop of the line is (Y2-Y1)/(X2-X1)
Step 3. Point value (2–5)/(3–1)
Answer is —3/2 = —1.5
Answer:
P(X<118.81)=0.0803
Step-by-step explanation:
Assuming the distribution for the mean life is approximately normal, with mean 120 months and variance 64 months^2, we can calculate the parameters for a sampling distribution with sample size = 89 computers.
The sampling distribution mean will be equal to the mean for a single computer:
The standard deviation will be adjusted by the sample size as:
With these parameters, we can calculate the z-score for X=118.81.
Then, the probability that the mean of a sample of 89 computers is less than 118.81 months is:
Answer:
x= 7/4 thats the correct answer
The answer is 1. Couldn't really read your question but I got it