Mathematics, 13.10.2019 23:30 weirdojuwin
Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. a. what is the probability that a randomly selected exam will have a score of at least 71? b. what percentage of exams will have scores between 89 and 92? c. if the top 2.5% of test scores receive merit awards, what is the lowest score eligible for an award? d. if there were 334 exams with scores of at least 89, how many students took the exam? e. what is the median of the population of the recent national statistics exam?
Answers: 1
Mathematics, 21.06.2019 13:30
34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?
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Mathematics, 21.06.2019 14:00
Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4
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Mathematics, 21.06.2019 16:30
The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?
Answers: 1
Mathematics, 21.06.2019 22:20
Atriangle has verticals at b(-3,0), c(2,-1), d(-1,2). which transformation would produce an image with verticals b”(-2,1), c”(3,2), d”(0,-1)?
Answers: 2
Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standa...
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