Mathematics, 14.09.2021 07:40 odalysesquermon

How many ways can Carla arrange the five letters in a row beginning with R?

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Mathematics, 21.06.2019 18:00, kezin

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

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Mathematics, 21.06.2019 22:40, liljett

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Mathematics, 21.06.2019 23:00, sugar1014

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.