Please help me to find the t value in this question

A simple random sample of 14 different cereals is obtained, and the sugar content (in grams of sugar per gram of cereal) is measured for each cereal selected. Those amounts have a mean of 0.297 gram and a standard deviation of 0.171 gram. Use a 0.05 significance level to test the claim of a cereal lobbyist that the mean for all cereals is less than 0.33 gram. Formulate the null and alternative hypotheses. Choose the correct answer below. VA. Ho: H= 0.33 @ B. Ho : H = 0.33 Ha: H 0.33 C. Ho : H