The reading speed of second grade students in a large city is approximately normal, with a mean of 90 words per minute (wpm) and a standard deviation of 10 wpm.
What is the probability that a random sample of 12 second grade students from the city in a mean reading rate of more than 96 words per minute?
Answer:
Step-by-step explanation:
From the question we are told that:
Sample size
Sample mean
Standard Deviation
Generally
Generally the equation for P(\=x >96 ) is mathematically given by