In a school of 11th class there 10 boys and 10 girls are there many activities are followed by the student due to some problems two from them 1 boy and 1 girl are always absent in class many activities are going on: (i) in how many ways 3 prizes can distribute among them.
(ii) in how many ways can they shake hands.
(iii) in how many ways they can stand in a row.
(iv) in how many ways they can sit so that all girls sit together

Twelve less than a number is at most 20

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly

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.