Given the data 1,2,3,4,5,5,6,6,6,6,7,7,8,8,9,15,28

Find the first quartile, \large Q_1

a
3

b
4

c
4.5

d
5.5

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

5/6+7/8what is the answer sealsdbdbshd

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml