The probability that a certain person will buy a hat is 0.12. The probability that he will buy a coat is 0.38 and the probability that he will buy a hat GIVEN that he buys a coat is 0.45. Find the probability that he will buy BOTH a hat and a coat. * 2 points
0.1575
0.2255
0.1710
0.1250

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work:

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position