The probability that the the sample mean would be less than x=132.25 will be calculated as follows: z=(x-σ)/μ μ- mean σ- standard deviation z=(132.25-138)/28=-0.2054 thus: P(X≤x)=0.4207=42.07%
Hello! The effect of green house gases really impact our environment. With more green house gases heat will stick around and warm the planet. hope this helps!
