A jar contains 50 balls numbered 1 to 50. a. How many different sets of 5 balls can be randomly taken from the jar?

The answer is

b. How many different sets of 5 balls containing the ball numbered 42 can be taken from
the jar?

The answer is

Give your probabilities in simplified fraction form. Hint: look at the factorial forms of
part a and part b.

c. What is the probability that a 5–ball set will contain the ball numbered 42?

The answer is

d. What is the probability that a 5–ball set will not contain the ball numbered 42?

The answer is

Average acceleration: i have no idea how to do this.

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )