1. Use the data set below. The data set has two variables. The dependent variable is Brand of golf ball (brands A, B, C, D). The independent variable is a durability metric called Drives (higher numbers means the golf ball is more durable). A new observation had Drives = 290. What is the probability that Brand B is the Brand?

Drives	Brand
285	A
224	A
285	A
258	A
268	A
280	B
348	B
323	B
314	B
244	B
215	C
255	C
226	C
282	C
246	C
310	D
330	D
350	D
354	D
374	D
283	A
227	A
284	A
256	A
262	A
282	B
341	B
310	B
319	B
248	B
222	C
261	C
235	C
275	C
248	C
310	D
332	D
341	D
351	D
372	D