Question

26. A slot machine has four windows. The wheel behind each window has the same five identical objects. They are: cherry, grape, peach, star and jackpot. After the handle is pulled, the four wheels revolve independently several times before coming to a stop. If the slot machine is played once, what is the probability that only fruits appear in the windows?

25. A manufacturer claims that 10% of women using the "pill" suffer from side effects. The Federal Drug Administration (FDA) believes that the manufacturer's claim is too low and decides to test the manufacturer's claim at α = 5 %. A random sample of 900 women who use the manufacturer's pill shows that 103 suffer side effects.

The p-value of this test is:

Answer 1

Solution :- þ ( fruits) = 315 26) Pl only fruits appears) 4 0.1296 1315) 25 Ho: p=0.10 Ha: p > 0.10 Z= ☆ 103 - 0:1 1.44 900 pl1-P) o.lxo.9 goo So, P-value = P(2>1.44) = 0.0749