How Many ways can a coin be flipped 6 times?

Mathematics
Tutor: None Selected Time limit: 1 Day

How Many ways can a coin be flipped 6 times?

I got 2^6=64 times

now part B.) How many ways can it be flipped so that heads appears once?Help please

I asked this yesterday tutor said 64/64-63/64=1/64, then a classmate said it was wrong and that it was 

64-C(6,1)=64-6=58 which one is it?

Jun 15th, 2015

Thank you for the opportunity to help you with your question!

the total ways possible are 2^6=64.

for a head to appear once, then

64-(8C1) {C stands for combination}

64-(8)

64-8= 56

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 15th, 2015

oh, sorry not 8 but 6

corrections

64-(6C1)

64-(6)

64-6=58

correct answer is 58.

Jun 15th, 2015

Thankyou, p.s. why is the tutor wrong i'm just curious?

Jun 15th, 2015

Welcome. The tutor calculated the probability of getting one head.

Jun 15th, 2015

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