Mathematics, 19.04.2021 21:40 billy12008
Help asap, if it’s a link you’ll get reported asap. The probability distribution for a
random variable x is given in the table.
х
-5
-3
2
0
2
3
Probability
.17
13
33
116
11
.10
Find the probability that x<-3
Answers: 2
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Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?
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Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0
Answers: 2
Mathematics, 21.06.2019 22:00
Write a description of each inequality. 1. -5a + 3 > 1 2. 27 - 2b < -6 (this < has a _ under it) 3. 1/2 (c + 1) > 5 (this > has a _ under it)
Answers: 3
Help asap, if it’s a link you’ll get reported asap. The probability distribution for a
random varia...
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