Could eye color be a warning signal for hearing loss in patients suffering from meningitis? British researchers recorded the eye color of a group of randomly selected deaf patients and noted whether the patient's deafness has developed following treatment for meningitis. Their data are summarized in the table below. Test an appropriate hypothesis and state your conclusion. Use an alpha level of 5%. (table attached)

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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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step-by-step explanation: