At rush hour on a typical day 250 of the cars approaching a

At rush hour on a typical day, 25.0% of the cars approaching a fork in the street turn left and 75.0% turn right. On a particular day, 283 cars turned left and 752 turned right. Find the predicted uncertainty in these numbers and the probability that these measurements were not made on a \'\'typical day\'\'; that is, find the probability of obtaining a result that is as far or farther from the mean than the result measured on the particular day.

Solution

Chi square Goodness of Fit Test

IS USED

p

observed

Expected=p*1035

O - E

(O - E)

Chi square Goodness of Fit Test	IS USED
p	observed	Expected=p*1035	O - E	(O - E)