Entries by Hannah Wangui

In a study of 2005, Math SAT scores, the Educational Testing Service computed the average score for each of the 51 states, and the percentage of high-school seniors in that state who took the test.

December 3, 2020 in /by

In a study of 2005, Math SAT scores, the Educational Testing Service computed the average score for each of the 51 states, and the percentage of high-school seniors in that state who took the test. The correlation between these two variables was equal to -0.84. (a) True or False: test scores tend to be lower […]

 

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Why would the probability of the first or fourth card being a spade with replacement be less than the probability of the first or fourth card being a spade without replacement?

December 3, 2020 in /by

Why would the probability of the first or fourth card being a spade with replacement be less than the probability of the first or fourth card being a spade without replacement?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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A list of incomes has meant $60K and SD of $10K.

December 3, 2020 in /by

A list of incomes has meant $60K and SD of $10K. Give the best upper bound you can for the proportion of incomes that are more than $80K? Explain.   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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A box has 3 red balls and 5 blue balls. a) I draw 3 balls from this box with replacement. Find the EV and SE for the number of red balls. b) Repeat a) if the draws are made without replacement

December 3, 2020 in /by

A box has 3 red balls and 5 blue balls. a) I draw 3 balls from this box with replacement. Find the EV and SE for the number of red balls. b) Repeat a) if the draws are made without replacement   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon […]

 

Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code "Newclient"