A set of math tests is normally distributed
with a mean of 81 and a standard deviation
o...
Mathematics, 21.04.2020 14:26 020020
A set of math tests is normally distributed
with a mean of 81 and a standard deviation
of 5. If Adam's z-score was -0.6 and Leah's
z-score was 2.2, how many points higher did
Leah score than Adam?
Answers: 1
Mathematics, 21.06.2019 12:50
In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?
Answers: 2
Mathematics, 21.06.2019 17:30
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 1
Mathematics, 22.06.2019 01:00
Use the drop-down menus to complete the statements to match the information shown by the graph.
Answers: 3
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