AIR MATH

Math Question

9. The weight of students at school is normally distributed with a mean of \( 76 \mathrm{~kg} \) and a standard deviation of \( 7 \mathrm{~kg} \). Start by labeling the normal curve. SHOW ALL OF YOUR WORK or EXPLAIN YOUR PROCESS. a. What percent of students weigh between \( 69 \mathrm{~kg} \) and \( 90 \mathrm{~kg} \) ? 81. 5 b. What percent of students weigh at least \( 62 \mathrm{~kg} \) ? c. What percent of students weigh less than \( 62 \mathrm{~kg} \) ? d. What percent of students weigh between \( 62 \mathrm{~kg} \) and \( 90 \mathrm{~kg} \) ? Of 1500 students, how many would weigh between \( 62 \mathrm{~kg} \) and \( 90 \mathrm{~kg} \) ?

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