The nutritional information on xuan’s container of crackers said that it had 162 calories. if there were 24 crackers in the container, which best describes the number of calories in each cracker? a. approximately 6 calories b. approximately 7 calories c. approximately 13 calories d. approximately 14 calories

The number of  calories in each cracker is approximately 7 calories .

Option (b) is correct .

Step-by-step explanation:

As given

The nutritional information on Xuan’s container of crackers said that it had 162 calories.

If there were 24 crackers in the container.

The number of calories in each cracker = 6.75

(6.75 is approximately written as 7)

Thus the  number of calories in each cracker is approximately 7 calories.

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b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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