Question

Over the past few months, Brody has eaten 3 glazed donuts and 6 other donuts. Considering this data, how many of the next 3 donuts Brody eats would you expect to be glazed donuts?

Answer 1

Answer:1

Step-by-step explanation:

Answer 2

Answer: 5

Step-by-step explanation:

First, write the experimental probability as a fraction in simplest form.

P(glazed donut)

=

glazed donuts

total

=

3

2+2+5+3

=

3

12

=

1

4

The experimental probability is

1

4

.

We can predict the outcome of the second set of trials by assuming that the ratio will be the same as in the first set of trials. Write a proportion by setting the two ratios equal to each other, then solve.

1

4

=

n

20

1

4

(420)

=

n

20

(420) Multiply both sides by (420)

120

= 4n Simplify

20

= 4n Simplify

5

= n Divide both sides by 4

You would expect 5 out of the next 20 donuts Brenna eats to be glazed donuts.