Answer:
(a)0.1528
(b)0.8472
Step-by-step explanation:
215 out of 1407 adults from country A said that they were not confident that the food they eat in country A is safe.
(a)Point estimate for [tex]\hat{p}[/tex]
The point estimate for [tex]\hat{p}[/tex][tex]=\dfrac{215}{1407}=0.1528[/tex]
(b)Point estimate for [tex]\hat{q}[/tex]
The point estimate for [tex]\hat{q}=1-\text{point estimate for } \hat{p}=1-\dfrac{215}{1407}=0.8472[/tex]