Mathematics, 12.01.2022 06:00 jdeelc
The scores of 12th-grade students on the national assessment of educational progress year 2000 mathematics test have a distribution that is approximately normal with mean of 300 and standard deviation of 35. a. choose one 12th-grader at random. what is the probability that his or her score is higher than 300
Answers: 3
Mathematics, 21.06.2019 21:00
Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c.q-p d. p-q
Answers: 2
Mathematics, 22.06.2019 00:50
Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.
Answers: 2
Mathematics, 22.06.2019 04:00
If the square of a positive integer is added to 2 times the integer the result is 48. find the integer.
Answers: 1
Mathematics, 22.06.2019 07:10
If the formula (formula in picture) were used to find the r-value of the following data, what would be the value of to three decimal places?
Answers: 1
The scores of 12th-grade students on the national assessment of educational progress year 2000 mathe...
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