A distribution of values is normal with a mean of 80 and a standard deviation of 5. Find the interval containing the mid-54% of the values. Please show your answer to 1 decimal place.
Interval =

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?