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IFoA_CAA_M0 Exam - Topic 8 Question 39 Discussion

A biased coin has the following probability distribution function:P(heads) = 0.80P(tails) = 0.20The biased coin is tossed twice in succession.Calculate the probability of tossing at least one tail.
B) 0.36
A) 0.20
C) 0.64
D) 0.80

IFoA_CAA_M0 Exam - Topic 8 Question 39 Discussion

Actual exam question for IFoA's IFoA_CAA_M0 exam
Question #: 39
Topic #: 8
[All IFoA_CAA_M0 Questions]

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.

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Suggested Answer: B

by Allene at May 07, 2022, 06:37 PM

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Billi
8 months ago
I thought it was 0.20 at first, but I see the math now!
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Scarlet
9 months ago
I thought it would be higher, but yeah, 0.36 makes sense.
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Lashon
9 months ago
Wait, how did you get 0.36? Seems off.
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Carma
9 months ago
Totally agree, it's 0.36!
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Von
9 months ago
The probability of at least one tail is 0.36.
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Irene
9 months 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?
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Tandra
9 months ago
I practiced a similar question last week, and I think the answer might be 0.64. I’ll double-check my calculations.
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Ruthann
9 months ago
I remember we talked about complementary probabilities in class. I think I should calculate the probability of getting no tails first.
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Antione
9 months ago
I’m a bit confused about how to approach this. Should I list all the possible outcomes or just use the formula?
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Daryl
9 months 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.
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Evan
9 months 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.
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Laurel
10 months ago
This one seems pretty straightforward. I'll read through the options carefully and go with the one that best fits the context.
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