Given a sample of survey results about how long does a family spend thein daily time on TV. Find Mean, Median, Modal Class, Standard Deviation and Variation: Time (minutes) Number of family 8. 0-29 30-59 60-89 16 90-119 120-149 9. 150-179

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Q: 14. Find P(0.27 <z<s 2.69).

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