Calvin earn $1, 425 by working 5 days in a week. he also received a bonus of $200. what is the average amount that he earned per day?

The amount of money Calvin earns by working 5 days in a week is $1,425. The problem says that he received a bonus of $200. So, the total amount of money he earns that week is:

The average amount that he earned per day is calculated by dividing the total amount of money he earned by the number of days. Therefore:

5 x 14?

im new, sorry if this is wrong.

step-by-step explanation:

hello,

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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step-by-step explanation: