Mathematics, 20.10.2020 02:01 paco38
Use the normal distribution of SAT Critical reading scores for which the mean is 510 and the standard deviation is 105. Assume the variable x is normally distributed
(a) What percent of the SAT verbal scores are less than 6252
(D) 1000 SAT verbal scores are randomly selected, about how many would you expect to be greater than 550?
(a) Approximately % of the SAT verbal scores are less than 625.
(Round to two decimal places as needed.)
Answers: 2
Mathematics, 21.06.2019 16:00, Destinationz
Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.
Answers: 3
Mathematics, 21.06.2019 23:10, jaylenmiller437
Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth
Answers: 2
Mathematics, 22.06.2019 01:40, Conner5459
Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)
Answers: 2
Use the normal distribution of SAT Critical reading scores for which the mean is 510 and the standar...
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