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cricket20 [7]
3 years ago
12

An instructor who taught two sections of engineering statistics last term, the first with 25 students and the second with 40, de

cided to assign a term project. After all projects had been turned in, the instructor randomly ordered them before grading. Consider the first 15 graded projects.
a. What is the probability that exactly 10 of these are from the second section?
b. What is the probability that at least 10 of these are from the second section?
c. What is the probability that at least 10 of these are from the same section?
d. What are the mean value and standard deviation of the number among these 15 that are from the second section?
e. What are the mean value and standard deviation of the number of projects not among these first 15 that are from the second section?
Mathematics
1 answer:
Pavlova-9 [17]3 years ago
8 0

Answer:

the answer is b

Step-by-step explanation:

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Letter C

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BARSIC [14]
Hey there!


P(y) = 0.46

P(x) = 0.49

P(y') = 0.54

P(x') = 0.51

P(y and x') = 0

x = person that watched the film

y = person that visited the gift shop


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Now convert that into a percentage!

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Your answer is 19.6%


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PLS HELP ME AND SHOW WORK.
mario62 [17]

Answer:

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Step-by-step explanation:

equation of circle =

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( h , k ) = center of origin

r^{2} = radius

origin = ( 2 , -6 )

radius = 7

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Which point is on the circle described by (x - 2)2 + (y + 3)2 = 4?
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The first one (2,-5)
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What is 78,045 rounded to the nearest thousand?
Makovka662 [10]
79, 000
Tip: focus on the number/place you need to round from ( in this case 8) if the number is 4 or below it will stay the same, but if the number is 5 or above it will change by 1 number (in this case it will change from 78, 045 to 79, 000)
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