2z +7 = -5
2z = -5 -7
2z = -12
z= -12 /2
z= -6
Answer: A. About 75% of the time, the median number of letters from the samples of first names was greater than or equal to 5. about the same percentage of the time, the median number of letters from the samples of last names was less than or equal to 5
Step-by-step explanation: now i am not sure if this is right but based on the graph I am most likely right so I might be right I might be wrong and I am very sorry if I am wrong
I agree. !!!!!!!!!!!!!!!!!!!!!!!!
Answer:
Step-by-step explanation:
Given that fish length X is having the normal distribution for which the mean is 9 inches and the standard deviation is 2 inches.
X : N(9,2)
A) 
B) Here sample size = 300
Out of 300 fish we can expect 300(0.3085) to be shorter
i.e. 92.55=93 fish
