(a) The probability that an individual is within 1 standard deviation of the mean is
0.1585(b) The probablity that the mean of a sample of 12 is within 1 standard deviation of the population mean is
0.5116
Answer:
15 sides
Step-by-step explanation:
360/24 =15
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Probability = no of students choose running/total no of students
= 18/139
Answer: She'll have enough money for the phone in 20 weeks.
Step-by-step explanation: Divide 300 ÷ 15 = 20.
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No, because the 9 pounds would cost 22.5, and that is 5 cents more than he has