Field Trips Fifty-five teachers from a certain region were surveyed. The contingency table cross-classifies these teachers by highest degree obtained and whether they offer field trips. Yes (F,) No (F2) Total Bachelor's (D,) 15 15 30 Master's (D2) 18 25 Total 33 22 55 a. How many of these teachers offered field trips? There are teachers who offered field trips. b. How many of these teachers have master's degrees? There are teachers with a master's degree. c. How many teachers with only bachelor's degrees offered field trips? There are teachers with only a bachelor's degree who offered field trips. d. Compute the probability of event D,. P (D;) =O (Round to three decimal places as needed.) Compute the probability of event (D2 & F2) ·

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