Williamson D. Turner (partner: Tajhshea Walden)

4/13/15

BIOL 1220L

Vehicle Type Probability Exercise

(Ha) The ratio of 2-door vehicles to 4-door vehicles is likely to be roughly 1:2

(Ha) The ratio of 2-door vehicles to 4 door vehicles is unlikely to be 1:2

2-door Vehicles 4-door Vehicles Total Vehicles20 156 176

Corresponding Probability <0.001

With a degree of freedom of 2, the value of 2990 falls under a probability of less than 0.001. Therefore, the null hypothesis is not supported by the data. Conversely, the alternative hypothesis is supported by the recorded data.