Question

when three coins are tossed what is the number of outcomes getting at most 2 heads (note:-it is at most two heads not at least two heads) ​

Answer 1

Answer:

Perfect questions for guys interested in maths..

2. The value of x + x(xx) when x = 2 is:

(a) 10, (b) 16, (c) 18, (d) 36, (e) 64

Solution:

x + x(xx)

Put the value of x = 2 in the above expression we get,

2 + 2(22)

= 2 + 2(2 × 2)

= 2 + 2(4)

= 2 + 8

= 10

Answer: (a)

Step-by-step explanation:

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Answer 2

Answer:

4 outcomes

Step-by-step explanation:

when three coins are tossed

events are:

HHH, THH,

HHT, THT,

HTH, TTH,

HTT, TTT

so in these events at most two heads carrying by 4 events.

therefore outcome is 4 .