Point slope: y - y1 = m(x - x1)
Plug in the points
Answer: y - 5 = 1/3(x + 2)
ANSWER
0.9738 or 97.38%
EXPLANATION
Given:
Desired Outcome:
Probability that it will last 10 years
z-score for the sample:
p-value
For the z-score of 1.9376, the p-value is 0.9738 or 97.38%
Hence, the probability that it will last longer than 10 years if you randonly purchase one item is 97.38%
Answer:
im not sure if the 3 is an exponent. But if it is, your answer is 0.52180067