There are 50 marbles in a bag. 35 of the marbles are brown. Otti takes at random a marble from the bag. He records the colour of the marble and puts the marble back in the bag. He does this 300 times. Work out an estimate for the number of brown marbles he takes.

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

What term makes it inconsistent y=2x - 4