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In a simple random sample of 240 households, 112 used only c…

In a simple random sample of 240 households, 112 used only cellphones for their phone service. Construct a 96% confidence interval to estimate the proportion of households using only cellphones as their phone service. Hint: Stats -> Tests-> 1propzinterval

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The probability that a person has green eyes is 0.12. If 4 p…

The probability that a person has green eyes is 0.12. If 4 people are randomly selected, what is the probability that all 4 people have green eyes?   Hint: Probability that all 4 people have green eyes = p(1st one does) AND p(2nd one does) AND p(3rd one does) AND p(4th one does).  

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What can be concluded? Hint: you know this :)

What can be concluded? Hint: you know this 🙂

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Mecamylamine is a plant that causes inhibition of Ach recept…

Mecamylamine is a plant that causes inhibition of Ach receptors. Its effect on the skeletal muscles will be ______

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The EADA requires institutions that receive federal financia…

The EADA requires institutions that receive federal financial assistance to submit a report documenting their expenditures each fiscal year.

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How many NCAA Division I collegiate athletics departments ge…

How many NCAA Division I collegiate athletics departments generated revenue in excess of overall athletic expenses in 2014-15?

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In any person. The major factor determining when the bone re…

In any person. The major factor determining when the bone remodeling occur is _____

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Small districts or private schools often have a _____ organi…

Small districts or private schools often have a _____ organizational structure for interscholastic athletics.

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Babe Ruth was able to sell only sport-specific products such…

Babe Ruth was able to sell only sport-specific products such as baseball bats.

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Use the following information for problems #30 through #32….

Use the following information for problems #30 through #32. In a study of birth order and intelligence, IQ tests were given to brothers to estimate the size of the difference, if any, between the IQs of first born sons and second born sons.  A researcher randomly selected 6 pairs of brothers and obtained the following data.  Test the belief that there is a difference in the IQs of first born sons and second born sons at the 0.10 level of significance.  (Assume all requirements for testing the mean difference have been met.   Pair 1 2 3 4 5 6 1st born 117 96 111 115 109 123 2nd born 114 91 115 113 100 118     State the null and alternative hypotheses.   Hint: Since you’re dealing with matched pairs, write the hypothesis in terms of the difference of the 2 means (

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