Two groups separately performed an experiment by tossing a coin in the air. group a performed 50 trials and group b performed 100 trials. each group recorded the results in the table below:
group heads tails
a 30 20
b 52 48
what conclusion can be drawn about the number of trials and the probability of the coin landing on heads or tails?

Choosing a booth location: your manager is sending two people to work at the conference. she wants a booth that will give your company good visibility for no more than 35% of the total budget ($3000). the conference coordinator just told you there are only five booths left. which booth will you choose? write the inequality that shows how much money you can spend on the booth simplify the inequality that shows how much money you can spend on the booth.

Is a positive integer raised to a negative power always positive

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed