What proportion of a normal distribution is located between z = 1.00 and z = 1.50?
1 answer:
Answer:
0.092 is the required proportion.
Step-by-step explanation:
We are given the following in the question:
A normal distribution.
We have to find the proportion of data lying between z = 1.00 and z = 1.50.
P(between z = 1.00 and z = 1.50)
Thus, 0.092 is the proportion of data located between z = 1.00 and z = 1.50.
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There are 250 students in sixth grade
<em><u>Solution:</u></em>
Given that, All the students in the sixth grade either walk home or take the bus home after school
From given,
Number of students walk home = 170
Let "x" be the total number of students in school
32% of the students take the bus
Thus, 32 % of "x" takes bus
<em><u>To find: total number of students in school</u></em>
Total students = Number of students walk home + number of students takes bus
Thus there are 250 students in sixth grade
Answer:
4
Step-by-step explanation:
4 is a perfect square. We can pull 2 out from under the square root symbol.
The prime factor of 12 is 2.2.3. We can pull another 2 outside of the square root symbol. 2 x2 is 4 that will be outside of the square root symbol and the x, y and 3 will be left under the symbol.