Match the following items.
in a group of 100 persons, 85 had rh positive blood (rh factor present, rh+), 45 had type o blood, and 38 had both type o and rh positive blood. if one person had been selected at random from the group, what would the probability be:
1. that his blood type was type o and rh+? 19/50
2. that his blood type was not o? 93/100
3. that his blood type was rh-? 7/100
4. that his blood type was type o and rh-? 17/20
5. that his blood type was rh+? 11/20
6. that his blood type was not type o or else was rh+? 3/20

In 2000, for a certain region, 27.1% of incoming college freshman characterized their political views as liberal, 23.1% as moderate, and 49.8% as conservative. for this year, a random sample of 400 incoming college freshman yielded the frequency distribution for political views shown below. a. determine the mode of the data. b. decide whether it would be appropriate to use either the mean or the median as a measure of center. explain your answer. political view frequency liberal 118 moderate 98 conservative 184 a. choose the correct answer below. select all that apply. a. the mode is moderate. b. the mode is liberal. c. the mode is conservative. d. there is no mode.

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?

If the square of a positive integer is added to 2 times the integer the result is 48. find the integer.