An animal researcher randomly selected 98 dogs and cats and recorded if the napped between 2:00 p. m and 2:30 p. m. The two-way table displays the data. Suppose an animal is randomly selected. let event c = cat and let event n = nap. what is the value of P(C|N)?
a. 38/98
b. 23/51
c. 47/98
d. 23/38

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?