Mathematics, 11.12.2019 23:31 HannahVance99
The mean annual salary for intermediate level executives is about $74000 per year with a standard deviation of $2500. a random sample of 50 intermediate level executives is selected. what is the probability that the mean annual salary of the sample is between $71000 and $73500? a 0.079b. 0.500c. 0.487d. 0.306
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An angle that measures between 90 and 180° is called a(,
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The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.
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15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
The mean annual salary for intermediate level executives is about $74000 per year with a standard de...
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