Mathematics, 20.03.2020 10:18 AgarioEdit
According to the US Department of Labor, 65% of all adult workers have a high school diploma. Answer the following questions. Question 16 (2 points):
What is the probability that among 20 randomly selected US adult workers 14 have a high school diploma? (Round your answer to 4 places after the decimal point).
a) 0.0012
b) 0.1712
c) 0.0863
d) None of the above
How many US adult workers are expected to have a high school diploma?
a) 5 US adult workers
b) 7 US adult workers
c) 13 US adult workers
d) None of the above
What is the standard deviation of the number of US adult workers with high school diploma? (Round your answer to 2 places after the decimal point).
a) 2.13 US adult workers
b) 4.55 US adult workers
c) 3.76 US adult workers
d) None of the above
Answers: 3
Mathematics, 21.06.2019 18:50
Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15
Answers: 1
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. 4x^2 + 20x + 25 = 0
Answers: 2
Mathematics, 21.06.2019 22:00
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 β’2 is less than x& x is less than 4 β’2 is less than or equal to x & x is less than or equal to 4 β’2 is less than or equal to x& x is less than 4 β’2 is less than x& x is less than or equal to 4
Answers: 2
According to the US Department of Labor, 65% of all adult workers have a high school diploma. Answer...
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