Answer:
99.8%
Step-by-step explanation:
Normal Distribution
Standard deviation σ
mean equal to 175 pounds
We should remember approximately values for intervals:
[μ - σ/2 : μ + σ/2] values spread 1σ up and down mean equal to 68.3 %
[μ - σ : μ + σ ] values spread 2σ up and down mean equal to 95.7 %
and finally
[μ - 1.5 σ : μ + 1.5 σ ] values spread 3σ up and down mean equal to 99.7
In our case we were asked porcentage between 4σ (40 kg) spread about mean
175 + 40 = 215
175 - 40 = 135
For that interval we should get 99.8% of values
Answer:
B: 6
the heights between 45 and 55 are : 46, 49, 50, 50, 52,52
thats 6 students
Step-by-step explanation:
please mark brainliest
Answer:
The expression is not equivalent to other three is 9(n-9) .
Option (B) is correct .
Step-by-step explanation:
Take first expression
= -9 -7n + 16n
= 9n-9
Take second expression
= 9(n-9)
= 9 × n - 9 × 9
= 9n - 81
Take third expression
= n-9+8n
= 9n-9
Take fourth expression
= 9n-9
Therefore expression is not equivalent to other three is 9(n-9) .
Option (B) is correct .
Answer:
3.4%
Step-by-step explanation:
Find the percent increase by dividing the difference in the temperatures by the original temperature, then multiplying it by 100:
((362 - 350) / 350) x 100
(12 / 350) x 100
= approximately 3.4
So, the percent increase in temperature was approximately 3.4%
Pretty sure the answer is k
