Ken's average speed for a trip is 14 miles per hour. During the first part of the trip, he traveled at 15 miles per hour for 2 hours, and then traveled at a different speed for 1 hour the rest of the way. What was her speed for the second part
of the trip?
A. 7.5 mph
B. 12.0 mph
C. 15.0 mph
D. 22.5 mph

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?