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A biased coin has the following probability distribution function:
P(heads) = 0.80
P(tails) = 0.20
The biased coin is tossed twice in succession.
Calculate the probability of tossing at least one tail.
Suggested Answer: B
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12 comments · newest first
BI
Billi
11 months ago
I thought it was 0.20 at first, but I see the math now!
SC
Scarlet
12 months ago
I thought it would be higher, but yeah, 0.36 makes sense.
LA
Lashon
12 months ago
Wait, how did you get 0.36? Seems off.
CA
Carma
12 months ago
Totally agree, it's 0.36!
VO
Von
1 year ago
The probability of at least one tail is 0.36.
IR
Irene
1 year ago
I feel like I should be able to solve this quickly, but I’m not sure if I remember the right steps. What if I get it wrong?
TA
Tandra
1 year ago
I practiced a similar question last week, and I think the answer might be 0.64. I’ll double-check my calculations.
RU
Ruthann
1 year ago
I remember we talked about complementary probabilities in class. I think I should calculate the probability of getting no tails first.
AN
Antione
1 year ago
I’m a bit confused about how to approach this. Should I list all the possible outcomes or just use the formula?
DA
Daryl
1 year ago
Hmm, this looks like a tricky IPv6 routing question. I'll need to carefully analyze the information provided in the figure and the answer choices.
EV
Evan
1 year ago
Okay, let's see. Probe is for road testing, OMStar is for network verification, M2000 is for configuration and messaging, and PRS is for simulation and base station selection. I think I've got a handle on this.
LA
Laurel
1 year ago
This one seems pretty straightforward. I'll read through the options carefully and go with the one that best fits the context.