Mathematics, 27.04.2021 05:50 shannongray23402
On a standardized exam, the scores are normally distributed with a mean of 200 and a standard deviation of 50. Find the Z-score of a person who scored 140 on the exam.
Answers: 2
Mathematics, 21.06.2019 17:30
If jaime wants to find 60% of 320, which table should he use?
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Mathematics, 21.06.2019 20:30
Hi if you want to play a sports related kahoot go to kahoot.it and type in this code: 659344
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Mathematics, 21.06.2019 23:00
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.
Answers: 1
On a standardized exam, the scores are normally distributed with a mean of 200 and
a standard devi...
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