Mathematics, 08.06.2021 18:00 tumadreeve7852
On a standardized exam, the scores are normally distributed with a mean of 115 and a standard deviation of 10. Find the z-score of a person who scored 104 on the exam.
Answers: 3
Mathematics, 21.06.2019 22:00
Find two numbers if their sum is 91 and the ratio is 6: 7?
Answers: 1
Mathematics, 21.06.2019 23:00
Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain
Answers: 2
Mathematics, 22.06.2019 02:40
21 type the correct answer in each box. if necessary, round your answers to the nearest hundredth the vertices of abc are a(2,8), b(16, 2), and c(6,2). the perimeter of abc is units, and its area is square units
Answers: 2
Mathematics, 22.06.2019 05:00
Amath club has 40 members. the number of girls y is 6 less than the number of boys. how many members are boys x? how many members are girls y?
Answers: 1
On a standardized exam, the scores are normally distributed with a mean of 115 and a
standard devia...
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