Mathematics, 07.03.2020 02:34 ciya12
In a survey of 600 homeowners with high speed internet the average monthly cost of high spped internet was 64.20 with a standard deviation 11.77 assume the plan costs to be approximately bell shaped . estimate the number of plans cost between 40.66 and 87.44 and 52.44 and 75.97
Answers: 2
Mathematics, 21.06.2019 21:30
Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?
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Mathematics, 21.06.2019 22:40
Which of the following circles have their centers on the x-axis? check all that apply.
Answers: 1
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Mathematics, 22.06.2019 05:30
Write the expression 7x^3-28xy^2 as the product of 3 factors
Answers: 1
In a survey of 600 homeowners with high speed internet the average monthly cost of high spped intern...
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