Question

question 12 of 20 (1 point) | question attempt: 1 of unlimited
a school gave some of its students an assessment on two subjects: language and math. each students score was classified as at grade level, above grade level, or below grade level for each subject.
here is a summary of the data the school got after assessing 100 students.

language

math

number of students

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----

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at grade level

at grade level

9

at grade level

above grade level

15

at grade level

below grade level

7

above grade level

at grade level

11

above grade level

above grade level

12

above grade level

below grade level

13

below grade level

at grade level

14

below grade level

above grade level

11

below grade level

below grade level

8

suppose the school will assess 125 more students.

how many of these 125 students will score at grade level in neither subject? use the data to make a prediction.

Explanation:

Step1: Find students at level in both

First, identify the number of students who scored at grade level in both language and math from the table: that is 9 students.

Step2: Calculate proportion of total

Find the proportion of these students out of the initial 100 students.
$\text{Proportion} = \frac{9}{100} = 0.09$

Step3: Predict for 125 students

Multiply the proportion by the new number of students to get the prediction.
$\text{Predicted number} = 125 \times 0.09$

Answer:

11.25, which we can round to 11 or 12 students (typically rounded to the nearest whole number, so 11 students)