Match each of the following with the equations below. Write the letter of the appropriate equation in the column beside each ite
m. A. y=0 B. y=-1/3x+1 C. x=3y+21 D. x-2y=-2
1 answer:
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Answer: 0.8413
Step-by-step explanation:
Given : Henry has collected data to find that the typing speeds for the students in a typing class has a normal distribution.
Mean :
Standard deviation :
Let x be the random variable that represents the typing speeds for the students.
The z-score :-
For x= 51
Using the standard normal distribution table ,the probability that a randomly selected student has a typing speed of less than 51 words per minute :-
Hence, the probability that a randomly selected student has a typing speed of less than 51 words per minute = 0.8413