?Question $3$

$[10$ ?Marks$]$

Read the below scenarios and answer the question that follows.

Scenario A

The possibility of earning a profit of R $400$ ?is $60\%$ ?if Emma sells $30$ ?units; the possibility

of earning a profit of R$2800$ ?is $40\%$ ?if she sells $60$ ?units.

Scenario B

The possibility of earning a profit of $R700$ ?is $60\%$ ?if she sells $40$ ?units, and the possibility

of earning a profit of R$2200$ ?is $40\%$ ?if she sells $55$ ?units.

Required

Calculate the expected values for both scenarios.

$(10$ ?marks$)$