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 %
Each person will get 6/8. Hope this helped.
Answer:
64+77=141
Step-by-step explanation:
The whole number times the denominator plus the numerator. Then, add and do the same thing again with the other number and you get 64 and 77 then add and you get 141
75%
30/40 means its 75% out of 100%
75$ representing the 30 and the 100$ representing the 40
Answer:
x= -17/11
Step-by-step explanation:
