Answer: 95.45 %
Step-by-step explanation:
Given : The distribution is bell shaped , then the distribution must be normal distribution.
Mean : 
Standard deviation :
The formula to calculate the z-score :-

For x = 13

For x = 19

The p-value = 

In percent, 
Hence, the percentage of data lie between 13 and 19 = 95.45 %
Answer:
Step-by-step explanation:
Substituting x and y values into the equations, we can get the equation
y = 7 -3x
slope: -3
Answer:
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Step-by-step explanation: HELLO here she is waiting for u may decline but hey worth a shot.... And id.k the answer