There are 20 total socks, 10 white and 10 black. This makes 10 total matching pairs...

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There are 20 total socks, 10 white and 10 black. Thismakes 10 total matching pairs of 5 pair of white and 5 pair ofblack.
6. What is the total probability of picking a white sock andthen another white sock (one pair of white socks)?
7. What is the probability of picking either a pair of whitesocks or a pair of black socks?
8. If each time you pick a sock from the drawer a sock just likeit magically replaces it, what is the probability of picking eithera pair of white socks or a pair of black socks?
9. How can you guarantee success of picking a matching pair? Inother words, what is the minimum number of socks needing to bepicked to guarantee a matching pair? (Hint: There is a right answerto this question!)
10. Explain dependent and independent trials and then furtherdescribe the difference between Question 7 and Question 8 as itrelates to dependent and independent trials.

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4.3 Ratings (663 Votes)

6 Probability of picking a pair 1020919 938 7 Either a black pair or a white pair in the first two picks sum of white pairsum of black pair 938 938 919 8 If after picking the socks are magically replaced See Answer

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