Community Answer

Answer:-(a){:[P(49.9 <= bar(x) <= 50.1)],[=P((49.9-50)/(sqrt((1.3)/(100))) <= (( bar(x))-" mean ")/(sqrt((5)/(100))) <= (50.1-50)/(sqrt((1.3)/(100))))],[=P(-0.87 <= 2 <= 0.87)],[=0.8106-0.1897],[=0.62 ... See the full answer

Answer:-(a){:[P(49.9 <= bar(x) <= 50.1)],[=P((49.9-50)/(sqrt((1.3)/(100))) <= (( bar(x))-" mean ")/(sqrt((5)/(100))) <= (50.1-50)/(sqrt((1.3)/(100))))],[=P(-0.87 <= 2 <= 0.87)],[=0.8106-0.1897],[=0.62 ... See the full answer