Question 3 Find the area u nder the standard normal curve to the left of 1,274 using the function pnormf}. Round your answer to 4 digits after the decimal point. :| Question 4 Find the area under the standard normal curve to the right of 1.173 using the function pnormf). Round your answer to 4 digits after the decimal point. E Question 5 Find the area under the standard normal curve between _1,232 and 1711 using the function pnorml'). Round your answer to 4 digits after the decimal point. E