Students in mr. hill’s class were asked how many tv shows they watched last weekend. the results are shown on the line plot.
which statement about the number of tv shows watched is accurate?
1. half of the students watched fewer than two tv shows.
2. more than half of the students watched three or more tv shows.
3. fewer than one-quarter of the students watched five or more tv shows.
4. half of the students watched fewer than two shows or more than five shows.

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step-by-step explanation:

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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:

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