8.

Question

A cell phone company orders 600 new phones from a manufacturer. If the probability of a phone being defective is 3.5%, predict how many of the phones are likely to be defective. Round to the nearest whole number.

Answer 1

To predict the number of defective phones, you can use the probability of a phone being defective and the total number of phones ordered.

The probability of a phone being defective is 3.5%, which can be expressed as a decimal:

\[ 0.035 \]

Now, multiply this probability by the total number of phones ordered:

\[ \text{Number of defective phones} = \text{Total phones} \times \text{Probability of defect} = 600 \times 0.035 \]

Calculating this gives:

\[ 600 \times 0.035 = 21 \]

Thus, the predicted number of defective phones is approximately \( \boxed{21} \).