A fair coin is tossed 7 times. What is the probability that all tosses will be tails?

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

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≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

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A fair coin is tossed 7 times. What is the probability that all tosses will be tails?

Solução

1128

Decimal

0.0078125

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The possible outcomes when a coin is thrown 7 times are 2· 2· 2· 2· 2· 2· 2
Therefore, the number of possible outcomes: 2⁷

Find the number of favorable outcomes of all tosses will be tails: 1

Probability = number of favorable outcomestotal number of outcomes

=12⁷

2⁷=128

=1128

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A fair coin is tossed 7 times. What is the probability that all tosses will be tails?

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Reta numérica