Emma has a gross annual income of €45 000. Emma pays income tax on her taxable income at a rate of 20% on the first €35 300, and 40% on the balance. She has annual tax credits of €1650.

(a) Work out Emma’s net income, after income tax has been deducted.

(b) Naya’s net annual income, after income tax has been deducted, is €36 560.

Naya pays income tax at the same rates and has the same annual tax credits as Emma. Work out Naya’s gross annual income.

Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.