Anational study showed that 33.7% of boys and 28.3% of girls are involved in sports after school. ethan concluded that more boys than girls are involved in after-school activities. why might his conclusion be incorrect

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Abag contains 5 red marbles , 6 blue marbles and 4 green marbles. susie selects a marble and returns it to the bag before selecting another marble. if susie selects a red marble 6 out of 20 times, what is the experimental probability that the next marble she selects will be a red marble ?

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?