James surveyed people at school and asked whether they bring their lunch to school or buy their lunch at school more often. The results are shown below. Bring lunch: 46 males, 254 females Buy lunch: 176 males, 264 females The events "male” and "buys lunch” are not independent because P(buys lunch | male) = P(male) = 0.4. P(male | buys lunch) = P(male) = 0.3. P(buys lunch | male) = 0.3 and P(male) = 0.4. P(male | buys lunch) = 0.4 and P(male) = 0.3.

Muscles, a membership-only gym is hoping to open a new branch in a small city in pennsylvania that currently has no fitness centers. according to their research approximately 12,600 residents live within driving distance of the gym. muscles sends out surveys to a sample of 300 randomly selected residents in this area (all of who respond) and finds that 40 residents say they would visit a gym if one was located in their area. based on the past survey research, muscles estimates that approximately 30% of these respondents would actually join the gym if they opened one in the area. based on this information and the results of the sample survey, about how many residents should muscles expect to join its new branch? a) 134 b) 504 c) 1,680 d) 3,780

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°