Question

Hi, can you help me answer this question please, thank you

Answer 1

Given:

An organization reported that teenagers spent 3.75 hours per day on an average using their phones.

The claim is that the mean time teenagers spend using their phones is greater than 3.75 hours.

The null and alternative hypothesis respectively is,

`\begin{gathered} H_o=\mu=3.75\text{ hours} \\ H_a=\mu>3.75\text{ hours } \end{gathered}`