Question

es we use no. ample size n-30 IS n33o. Use the following table of all 2012 Summer Olympics medalists YOU MAY LEAVE PROBABILITIES IN UNREDUCED FRACTION 23o. So we use normal aos edalists to answer the questions below. ED FRACTIONAL FORM: 2012 Summer Olympics medal table[18] Silver Bronze Country United States (USA) Gold 46 Total 103 28 29 China (CHN) 38 28 22 88 Great Britain (GBR) 29 Russia (RUS) 24 25 32 All Other Countries 165 205 254 Total 302 303 356 6. a) What is the probability that a randomly selected medalist is NOT irom m.ie ROM RUSSIA” independent? Why or why -7. Are the events. "WON A GOLD" and "IS FROM RUSSIA" in not? According to the US Department of Transportation, 87% of Alaska Airlines flights to Seattle lanke Airline hos 15 direct flights daily from LAX to Seattle.
number 7 please

Answer 1

P(R) = 81/961 = 0.0843 (approx)

P(Gold) = 302/961 = 0.3143 (approx)

P(Russia and Gold) = 24/961 = 0.02497 (approx)

0.0843 * 0.3143 = 0.02688 (approx)

P(Russia and Gold) $\tiny \neq$ P(Russia)*P(Gold)

So, these are not independent events.

Please comment if any doubt. Thank you.