Question

PART 1

-11 points BBUnderStat12 22 005 Ask Your Teache My Notes It is costly in both time and money to go to college. Does it pay off? According to the Bureau of the Census, the answer is yes. The average annual income (in thousands of dollars) of a household headed by a person with the stated education level is as follows: 24.9 if ninth grade is the highest level achieved, 41.5 for high school graduates, 59.8 for those holding associate degrees, 82.3 for those with bachelor's degrees, 100.1 for those with master's deqrees, and 121.9 for those with doctoral deqrees. Make a bar graph showing household income for each education level. Income Income 140 140 120 120 100 100 80 80 60 60 4о 40 20 20 9th 9th H.S. Assoc. Bach. Mast. Doctor H.S. Assoc. Bach. Mast. Doctor. Income Income 140 140 120 120 100 100 80 80 60 60 40 40 20 20 9th H.S. Assoc. Bach. Mast. Doctor. C H.S. Assoc. Bach. Mast. Doctor O Need Help? Read It Watch It

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PART 8

Answer 1

The given data only matches to graph 4 Hence 4th option is correct Part 3) given mu = 250 and a = 5 C.V. = sigma/mu times 100% = sigma/250 times 100% = 2% from Chebyshev's theorem it is known that 80.9% is 3 standard deviations (k) from the mean upper bound = mean + 3(s.d) = 250 + 3 times 5 = 265 lower bound = mean - 3(s.d) = 250 - 3 times 5 = 235 Interval = (235, 265) part 6) (6) Probability of an event is a number describing the chance that the event will happen. An event i.e, certain to happen has a probability of 1. An event that cannot possibly happen has a probability of zero (a) 1, (b) 0 for independent events P (A and B) = P(A) middot P(B) = 0.0 middot 0.2 P (A Intersection B) = 0.16 we know, P(A/B)