Page 1 - Midterm Exam Questions

26.04.2020 M dterm Make-up

Student: _____________________ Instructor: Mun re Berna Beskese Ass gnment: M dterm Make-up
Date: _____________________ Course: MATH 204.1 Stat st cs (Spr ng 2020)

1. G ven that x s a hypergeometr c random var able w th N 9, n 3, and r 5, compute the standard dev at on of x.= = =

A. 0.745
B. 0.456
C. 0.556
D. 0.208

2. F nd the follow ng probab l ty for the standard normal random var able z.

a. P(z > 1.28 ) e. P(z 0)<
z
b. P(z < − 1.68 ) f. P( − 2.92 ≤ ≤ 1.68 )
c. P(0.16 ≤ ≤ 2.01 ) g. P(z ≥ − 2.36 )
z
z
d. P( − 1.52 ≤ < − 0.77 ) h. P(z < 2.36 )
)
a. P(z > 1.28 = (Round to three dec mal places as needed.)
b. P(z < − 1.68 = (Round to three dec mal places as needed.)
)
z
)
c. P(0.16 ≤ ≤ 2.01 = (Round to three dec mal places as needed.)
)
d. P( − 1.52 ≤ < − 0.77 = (Round to three dec mal places as needed.)
z
e. P(z 0)< = (Round to three dec mal places as needed.)
)
f. P( − 2.92 ≤ ≤ 1.68 = (Round to three dec mal places as needed.)
z
g. P(z ≥ − 2.36 = (Round to three dec mal places as needed.)
)

h. P(z < 2.36 = (Round to three dec mal places as needed.)
)

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