Mathematics, 06.05.2020 21:32 edybuza764
Someone help I neeed this done by fridayyy!!1.Suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6
A. Label the curve: show the mean and the value of each standard deviation
B. If Angelica scored a 76 on the test what is her Z score (draw her score on the curve above and label)
C. What percent of students did Angelica score higher than? How can you tell?
D. If 185 students took the test how many students scored higher than Angelica
Answers: 2
Mathematics, 21.06.2019 17:30
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 Γ 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
Answers: 1
Mathematics, 21.06.2019 19:10
Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x
Answers: 2
Mathematics, 22.06.2019 00:30
Pls as soon as ! will award brainliest and 20 ! also the answer is not 22.5 degrees! find the value of x in each case:
Answers: 3
Someone help I neeed this done by fridayyy!!1.Suppose that scores on a knowledge test are normally d...
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