Question

1.)Use the definitions given in the text to find both the odds for and the odds against the following event.

Flipping 2 fair coins and getting 2 tails.

The odds for getting 2 tails are to what to what.​(Type a whole​ number.)

The odds against getting 2 tails are what to what. (Type a whole​ number.)

2.)Determine whether the following individual events are overlapping or​ non-overlapping. Then find the probability of the combined event.

Getting a sum of either 2 or 5 on a roll of two dice

Choose the correct answer below​ and, if​ necessary, fill in the answer box to complete your choice.

3.) Use the​ "at least​ once" rule to find the probabilities of the following event.

Getting at least one head when tossing four fair coins. (What is the probability)

4.) Determine the probability of having1 girl and 3 boys in a4​-child family assuming boys and girls are equally likely.  

The probability of having 1 girl and 3 boy is

Answer 1

No of times 2 taut do not beur details occur S - SH, HT, TH, TT3. 1) Odds for getting a tails : No of ways 2 m TT3 MEHH, HT, TH} -im 2 1:3 2 tails 2 of Odds against getting No of times 2 tails do not our No. of times toits do our 3:1. 2) This is an overlapping event, because occurrence tail in both fair coins occur only PLTT) MCTT) m(s) ona caun u Az A event of getting 2 or 5. { u (1, 1), (2, 3), (3,2), (6,4),(4,03 . PCA) & NCA) s 10.139 36 euads OT) xet B be the event of getting P(B71) ol- P(B=0) m{ttut? - I 2 15 16 '2 10.9375 Plof having & girl & 3 boys in a uchild family is 10.0625 2 16 (5 (3) 2 [ Plgirl) & P(boy) an equal ie P (jire) Plboy