If a coin is flipped 10​ times, how often are there 6 or more​ heads? A first step to answering this question would be to simulate 10 flips. Use the random number table to simulate the 10 coin flips. Let odd digits​ (1,3,5,7,9) represent​ heads, and let even digits​ (0,2,4,6,8) represent tails.

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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: