/ Quiz 2 MATH 10800. E20 Fa17-C82 Question 10 Answer saved Marked out of s.oo P
ID: 3310422 • Letter: #
Question
/ Quiz 2 MATH 10800. E20 Fa17-C82 Question 10 Answer saved Marked out of s.oo P Flag question Which of the following is NOT true regarding the area of the standard normal distribution that lies to the right of Z= 2.42? Select one: O a. It equals the area of the standard normal distribution that lies to the left of 2.42 minus 0.5. O b. It is less than 0.5. O c. It equals 1 minus the area of the standard normal distribution that lies to the left of 2.42. O d. It equals the area of the standard normal distribution that lies to the left of -2.42.Explanation / Answer
Answer ; Option ( a ) only option a is incorrect
z > 2.42 = 0.0078
( a )
( z < 2.42 ) - 0.5 = 0.9922 - 0.5
= 0.4922
this is not equal to 0.0078
no, it is NOT TRUE
( b )
0.0078 < 0.5
Yes, it is true
( c )
1 - ( z < 2.42 ) = 1 - 0.9922
= 0.0078
yes, it is true
( d )
z < - 2.42 = 0.0078
yes, it is true
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