Question

• metal, metal, metal, plastic, plastic, metal, plastic, plastic, plastic, plastic

Answer 1

Answer:

The estimate of the proportion of all students that prefer to use a metal pen is 0.4.

Step-by-step explanation:

The estimate of the proportion is the sample proportion.

In the sample:

10 students

4 use a metal pen. So

$p = \frac{4}{10} = 0.4$

The estimate of the proportion of all students that prefer to use a metal pen is 0.4.