Mathematics, 29.09.2019 00:30 dlo2457
Your parents are always complaining that you do not do enough housework. they say that you should be them out because you are only a student and you have a lot more spare time than them. the number of hours per week that your parents work has a mean of 48.69 hours and a standard deviation of 2.90 hours. you believe that the number of hours per week that you have to study for university has a mean of 48.17 hours and a standard deviation of 2.60 hours. you plan to record the number of hours that you study each week over 15 randomly selected weeks throughout the year. calculate the probability that the mean of your sample is greater than the mean number of hours per week worked by your parents. assume that the population of study hours per week is normally distributed. give your answer as a decimal to 4 decimal places. probability
Answers: 1
Mathematics, 21.06.2019 21:00, taylordalton93
Factor the trinomial below. 12x^2 - 32x - 12 a. 4(3x+3)(x-1) b. 4(3x+1)(x-3) c. 4(3x+6)(x-2) d. 4(3x+2)(x-6)
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Mathematics, 21.06.2019 21:40, chunkymonkey090
Ihonestly have no clue if it's each or none.
Answers: 1
Mathematics, 21.06.2019 22:30, alvaradorosana05
Shannon drove for 540 minutes. if she traveled 65 miles per hour, how many total miles did she travel?
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Mathematics, 21.06.2019 23:00, jholland03
Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.
Answers: 1
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