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anoneemose
Questions (9)
Given the probability of rain on any given day in March is 1/5, find the probablity that: It rains on March 10 and 12, but not
2 answers
984 views
Twelve college students were surveyed about the distance from their house to
the college they attended. 12 18 54 13 15 24 8 5 14
1 answer
436 views
Twelve college students were surveyed about the distance from their house to
the college they attended. 12 18 54 13 15 24 8 5 14
1 answer
473 views
Twelve college students were surveyed about the distance from their house to
the college they attended. 12 18 54 13 15 24 8 5 14
3 answers
471 views
In a local marathon, Bob finished 60th out of 400 participants. What is his percentile ranking for this race?
4 answers
823 views
A company is trying to show that their wages are fair. The mean salary is $45,000 but the median is $67,000. Which should they
2 answers
384 views
Twelve college students were surveyed about the distance from their house to
the college they attended. 12 18 54 13 15 24 8 5 14
1 answer
625 views
In a competitive application process, two applicants were closely matched and the judges needed to compare their percentile
2 answers
482 views
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution
8 answers
2,374 views
Answers (11)
I figured this out: 1/5 = rain 4/5= no rain 1/5*1/5*4/5 = 4/125
P(A and B) = P(A) * P(B) 2/3 = rain 1/3 = no rain 2/3 * 1/3 = 2/9
Please see January 19th post, that noone answered...
well, the only way there can be 17 heads and 42 feet and 3 times more ducks, would be: 4 pigs (4 heads and 4 feet for each 4x4= 16 feet 13 ducks ( 13 heads and 2 feet each 13x2 =26 feet Heads = 4+13=17 for 4 pigs feet =16+26=42 for 13 ducks 4(Pigs) X 3 =
1. Is this correct? 10/12=.83 =83rd percentile. 2. Is this correct? .58*12=6.9=7;7/12=58th percentile, 7th number = 15 15 corresponds to 58th percentile 3. Q1=10; Q2=14.5; Q3=22
Gotcha, that is what I put!! Can you help me with the other post? Its the only post that I am not confident about and it has not been answered. thank you!
haha, beats me, but I would not want to work there!
yes, I got that answer, I figured out each using an area table 500-400=100 100/100=1 500-600=-100 -100/100=-1 on area table 1.00 = .341 .341+.341= .682 rounded =.68 .68*5000=3400
choices: 1. 5000 2. 4750 3. 2500 4. 3400
400-60=340 340/400= 85th percentile?
That is not one of the answers =(
