your final answer should be.... -3 • (61c - 70)
Answer:
14
Step-by-step explanation:
if z is 14 than z-2=12
because 14-2=12
So what will it be a percentage of? it will be the percentage of the original recruits, of the original 150.
for this, we need to divide the number of recruits that left over all recruits, and multiply by 100%:
so the number of trainees decreased by 20 %
10 students of Elena's classmates like to make jewellery.
<u>Step-by-step explanation:</u>
Let total no.of classmates who liked the jewellery = x
Here, in the given problem, given she asked her classmates '20'. So, it clearly shows that total number of students/classmates = 20. Also, in that, 50% said like to make jewellery. Now find 'x' as below,
Hence, the total number of classmates who liked to make Jewellery = 10
Answer: 12.10
Step-by-step explanation:
Given : Mean :
Standard deviation :
The formula to calculate the z-score :-
For x= 5 degrees
For x= 10 degrees
The P-value :
In percent ,
Hence, the percentage of days had a low temperature between 5 degrees and 10 degrees = 12.10%