Mathematics, 02.11.2021 14:00 thompsonjeremiah837
A test in Statistics has a mean of 73 and a standard deviation of 7.8. If 36 students are randomly selected, find the robability that the mean of their test scores is less than 70.
Answers: 3
Mathematics, 21.06.2019 21:30
Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth
Answers: 1
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Mathematics, 21.06.2019 23:00
Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.
Answers: 2
Mathematics, 22.06.2019 00:20
❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h
Answers: 2
A test in Statistics has a mean of 73 and a standard deviation of 7.8. If 36 students are randomly s...
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