Complete the frequency table:
method of travel to school
walk/bike bus car row totals
under age 15 18 165
age 15 and above 65 195
column totals 152 110 98 360
what percentage of students age 15 and above travel to school by bus? round to the nearest whole percent.
a. 36%
b. 26%
c. 45%
d. 50%

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?