The box-and-whisker plot shows the heights (in inches) of the players on a soccer team. what fraction of the heights are at least 68 inches?

how much of the heights are at least 68 inches?

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Me. i can't figure out this question. give an explanation too. .

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.