Do males spend more time playing online games than females? A random sample of 100 males and females was selected. Let mꜰ be the population mean number of hours spent playing online games for females and let μₘ be the population mean number of hours spent playing online games for males.
How should we write the alternative hypothesis?

a) Ha: μₘ - mꜰ ≠ 0
b) Ha: μₘ- mꜰ = 0
c) Ha: μₘ- mꜰ < 0
d) Ha: μₘ- mꜰ > 0

A random sample of 100 male and females was selected. Let muf be the population mean number of hours spent playing online games for females and let mum be the population mean number of hours spent playing online games for males.

Step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

sure i'm up for it

step-by-step explanation: