Answer:
The Estimate the number of students who took the scores between 82 and 98 = 16
Step-by-step explanation:
<u><em>Explanation</em></u>:-
Given data The scores on a math test are normally distributed with a mean μ = 74
standard deviation of Population
S.D (σ) = 8
Let 'x' be the random variable of Normal distribution
<u><em>case(i)</em></u>:- when x = 82
![Z = \frac{x-mean}{S.D}](https://tex.z-dn.net/?f=Z%20%3D%20%5Cfrac%7Bx-mean%7D%7BS.D%7D)
![Z = \frac{82-74}{8} = 1](https://tex.z-dn.net/?f=Z%20%3D%20%5Cfrac%7B82-74%7D%7B8%7D%20%3D%201)
<u><em>case(ii)</em></u>:- when x = 98
![Z = \frac{x-mean}{S.D}](https://tex.z-dn.net/?f=Z%20%3D%20%5Cfrac%7Bx-mean%7D%7BS.D%7D)
![Z = \frac{98-74}{8} = 3](https://tex.z-dn.net/?f=Z%20%3D%20%5Cfrac%7B98-74%7D%7B8%7D%20%3D%203)
The probability that test scores between 82 and 98.
P(82≤x≤98) = P(1≤z≤3)
= P(z≤3) - P(z≤1)
= 0.5+A(3)-(0.5+A(1))
= A(3) -A(1)
= 0.4986 - 0.3413
= 0.1573
<u><em>Final answer</em></u>:-
The Estimate the number of students who took the scores between 82 and 98
= 100 X 0.1573 = 15.73 ≅16
I think it is 1,1,O but I don’t think you should believe me because I don’t know this very well
Answer:
197
Step-by-step explanation:
because your using divisionon the B then you have to multiple by it number to get it
Answer:
ASA
Step-by-step explanation:
These two are congruent. You have a given angle that is marked in each triangle
You have a side that is marked in each triangle
You have two vertically opposite angles that are equal.
The triangles are congruent by ASA.
Answer:
The chef cooked 1/3 pound of potatoes and
1/4 pound of green beans for
each customer.
so. Sum of all vegetables for one customer = 1/3 pound of potatoes + 1/4 pound of green beans
= 1/3 + 1/4 pound
= 7/12 pound
so. Sum of all vegetables for 22 customer = (7/12 pound ) 22
= 22/12 pound
= 11/6 pound
Step-by-step explanation: