Mathematics, 31.03.2020 03:20 lily24113
A survey was conducted of the age (in years) of 30 randomly selected customers. The mean was 29.61 years and the standard deviation was 10.19 years. How large would the sample size have to be to cut the margin of error of a confidence interval based on this data in half?
Answers: 3
Mathematics, 21.06.2019 16:00
Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368
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Mathematics, 21.06.2019 22:20
Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m
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Mathematics, 21.06.2019 23:40
Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me
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Mathematics, 21.06.2019 23:40
Find the amplitude of a sinusoidal function that models this temperature variation
Answers: 2
A survey was conducted of the age (in years) of 30 randomly selected customers. The mean was 29.61 y...
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