13. Benny's Survey Results
Eye Color
Brown
Blue
Brown
56
61
Hair
Color
Blonde
14
26
Benny recorded the eye color and hair
color of people walking in a shopping
mall. Based on the results of his survey,
what is the experimental probability that
a person walking in the shopping mall
has brown hair and blue eyes?

Graph the equationy= x+3[tex]y = x + 3[/tex]

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables