Answer to Question #308109 in Statistics and Probability for Zack

Question

A certain store has four ways of handling returns: cash refund, credit to account, exchange, or refusal. The manager claims that the four ways are equally probable to test this hypothesis, 108 customers were sampled with the following results

Type Cash Credit exchange Refusal

Count 34 27. 32 15

Does the data support the managers claim at 5 %. (6mks)