Thursday
December 5, 2013

# Posts by Kirk

Total # Posts: 79

math
On a certain exam, Tony corrected 10 papers and found the mean for his group to be 70. Alice corrected the remaining 20 papers and found that the mean for her group was 80. What is the mean of the combined group of 30 students?

math
Give an example of a set of data for which a stem and leaf plot would be more informative than a histogram.

math
On a roulette wheel, the probability of winning when you pick a particular number is . Suppose you bet \$1.00 to play the game, and if your number is picked, you get back \$36. a. Is this a fair game? b. What would happen if you played this game a large number of times?

math
Jim rolled a fair die 5 times and obtained a 3 every time. He concluded that on the next roll, a 3 is more likely to occur than the other numbers. Explain whether this is true.

math
Carlin’s Pizza House offers 3 kinds of salad, 15 kinds of pizza, and 4 kinds of dessert. How many different threecourse meals can be ordered

math
From a set of eight marbles, five red and three white, you choose one at random. What are the odds in favor of choosing a red marble

math
An estimate of the fish population of a certain pond was found by catching 200 fish and marking and returning them to the pond. The next day, 300 fish were caught, of which 50 had been marked the previous day. Estimate the fish population of the pond.

math
Riena has six unmarked CDs in a box, where each is dedicated to exactly one of English, mathematics, French, American history, chemistry, and computer science. Answer the following questions: a. If she chooses a CD at random, what is the probability she chooses the English CD?...

history
Do you think federal government involvement in education is beneficial? Why or why not?

Physical Science
. A force of 400.0N is exerted on a 1,250N car while moving it a distance of 3.0m. How much work was done on the car?

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Next>>

Search
Members