Test C (Station 4) Probability Word Problems and Formulas

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Thank u I’m really grateful because I’m taking my math 7th staar test today and I really wanna make my teacher proud so I woke up at 4 in the morning watching these vids

jasmineworld
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I got my test in an hour, these videos are super helpful you explain probability so well. also i loved the part you said “ Fe= not iron but it makes sense because women are strong” 😂

divinestarfire
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amazing! Thank u so much! After watching 2 of ur videos about probability I'm becoming more confident in this topic!

dieulinhnguyen
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Thanks for the video, very kind of you

xshock_dreamz
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Can you help me in solving this problem?

Rey joined the shampoo for a caused civil group as an athlete advocate, he voluntary accepted the task of handy out free samples of shampoo at random to the participants of the shampoo day mini convention. He was instructed to stop handling free samples only with he had at already given exactly 10 free samples of shampoo to male participants. Suppose that there are 142 females and 78 males present in the mini convention. What is the probability that the 10th and last male recipient of free shampoo is also the 35th recipient of free samples?

The correct answer is 0.02905 but I don't know how to arrive with that answer.

camilledelacruz
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Wouldn't the probability of being French and female be 10/60 or 16.7%, given 60 of 100 are French and 10 of the French are female?

mjev
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OK, in the first question, why isn't the probability of picking a French, female student just 1 out of 10? Since the question already mentions there being 10 French students who are female, and that there are 100 students overall.

ashkanmirani
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is this high school or college content?

samueldarenskiy