15. Ryan's investment portfolio is shown below. Investment Amount Invested ROR
Savings Account $3,200
2.1%
Municipal Bond $4,900
4.5%
Preferred Stock $940
10.5%
Common Stock A$1,675
-3.5%
What is his weighted mean ROR? (2 points)
4.15%
5.15%
3.06%
3.40%

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?