Answer:
it will be 175 / 100 = 7 / 4 okay
You must first normalize this in order to use a Z-score table. To convert what you have into a Z score you must use this formula: (x- mean) /standard deviation. In your case (334-310)/12=2. So now you want the probability that a score is greater than 334, which in turn means you want P(Z>2)=1-P(Z<2)=1-.9772=0.0228=2.28%.
25/100 also 1/4
they are the same fraction, one of them is just simplified
Answer:
45
Step-by-step explanation: