Answer:
Step-by-step explanation:
Given that a hat contains n coins, f of which are fair, and b of which are biased to land heads with probability 2/3
A coin is drawn from the hat and tossed twice. The first time it lands heads, and the second time it lands tails.
There are two possibilities. Either fair coin is drawn or biased is drawn.
Let A1 = I coin drawn and A2 = II coin is drawn.
B= the first toss lands head and II tails.
Prob it is a fair coin =
Answer:
her grandson would be 7 and her granddaughter would be 5.
Step-by-step explanation:
their ages together is 12. we divide that by the two grandchildren, and adjust it to where they are to years apart.
12÷2=6
6+6 + adjusted = 5 and 7.
to fact check 5+7=12, and 7 is two numbers above 5.
Answer:
25
Step-by-step explanation:
2x² - 4x + 9
2 (-2)² - 4(-2) + 9
2 (4) + 8 + 9
8 + 8 + 9
25
Answer:
513100
Step-by-step explanation:
(5.13 * 100)(1 * 100)=513100