To Test the Difference in Two Proportions

A test was conducted to determine whether gender of a spokesperson affected the likelihood that consumers would prefer a new product. A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers preferred the product while 62 of 180 customers preferred the product when a male spokesperson was employed. At the 0.01level of significance do the samples provide sufficient evidence to indicate that on the average more consumers prefer a new product when the spokesperson is female?