Answer :
Answer:
follows are the solution to this question:
Step-by-step explanation:
Please find the correct question in the attached file:
The formula for calculating the Confidence interval of proportion:
[tex]\to CI=\hat{p} \pm Z_{\frac{\alpha}{2}} \sqrt{\frac{\hat{p}(1-\hat{p})}{n}}\\\\\to \hat{p}=\frac{\text{lower limit +upper limit}}{2}\\[/tex]
[tex]=\frac{0.48+0.60}{2}\\\\=\frac{1.08}{2}\\\\=0.54[/tex]
The number of learners with access to working at home on a computer:
[tex]= 0.54 \times 300 \\\\=162[/tex]
Lower limit =0.48
upper limit = 0.60
[tex]\to margin \ error = \frac{\text{upper limit - lower limit}}{2}\\[/tex]
[tex]=\frac{0.60-0.48}{2}\\\\=\frac{0.12}{2}\\\\= 0.06[/tex]
