Answer:
a and b both are true.
Step-by-step explanation:
Given : A coin is tossed 10 times.
To find : True or false, and explain ?
Solution :
(a) The chance of getting 10 heads in a row is
Coin has two face head and tail.
The probability of getting head is
The probability of getting 10 heads in a row is
The chance of getting 10 heads in a row is is true.
(b) Given that the first 9 tosses were heads, the chance of getting 10 heads in a row is .
The probability of getting 10 heads in a row is
The probability of getting 9 tosses were heads is
Given that the first 9 tosses were heads, the chance of getting 10 heads in a row is given by,
Given that the first 9 tosses were heads, the chance of getting 10 heads in a row is is true.