Answer:
Your answer is 28.3495
Brainliest is appreciated
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:
5 times larger
Step-by-step explanation:
5*10^5 = 500,000
1*10^5 = 100,000
500,000/100,000 = 5
Answer:
18.1437
Step-by-step explanation:
divide the mass value by 2.205
90 = k*15
constant of proportionality = 80 / 15 = 6 Answer