There is a toy train that can make 10 musical sounds. It makes 2 musical sounds after being defective. What is the probability that same musical sound would be produced 5 times consecutively? ( 1 of _____) ?

• (1/2)^5
  same musical sound means one musical sound out of two.
• 14 years agoHelpfull: Yes(28) No(8)
• 1/32 as 5 times we have to consider and each creat 2 sounds so ...2 prob for 5 times =2^5
  a/32 ans
• 14 years agoHelpfull: Yes(9) No(7)
• probability that a sound out of two sounds is produced is 1/2
  therefore, probability of producing same sound is
  (1/2)*(1/2)*(1/2)*(1/2)*(1/2)=1/32
• 14 years agoHelpfull: Yes(9) No(5)