Each of the following statements contains a blunder. Explain in each case what is wrong: a) There is are high correlation(r=1.01) between students' attendance and passing rate. b) The correlation between age and income was found to be r=0.67 years. c) There is a high correlation between the gender of American workers and their income.

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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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