SUNY College of Environmental Science and Forestry
Probability and Statistics
APM 350

Fall 2015
MAT 421  Fall 16 Quiz 5 (Oct 19)  50L V WOMS
Write the answars clearly and legibly. You must show appropriate work to receive credit.
Let X denote the force acting on a particular column. Suppose X is normally distributed with
mean 66.7 kN (kilonewtons)
SUNY College of Environmental Science and Forestry
Probability and Statistics
APM 350

Fall 2015
MAT 421  Fall 16 Quiz 7 (Oct 31) , gl/WaA/g
Write the answers clearly and legibly. You must show appropriate work to receive credit.
Formulae:
I Central Limit Theorem: If X1, . . . ,X" are i.i.d (random sample) from a population with mean
p and stand
SUNY College of Environmental Science and Forestry
Probability and Statistics
APM 350

Fall 2015
MAT 421  Fall 16 Quiz 1 (Sep 12) M Uf/W S
Write the answers clearly and legibly. You must Show appropriate work to receive credit.
(3 points each part) Consider the data set give below (where the data is already arranged in the
increasing order): a!
SUNY College of Environmental Science and Forestry
Probability and Statistics
APM 350

Fall 2015
NIAT 121  Fall 16 Quiz 3 (Oct 3) mg OLU T/OA/S _
Write the answers clearly and legibly. You must show appropriate work to receive credit.
Formulae:
I X ~ Binomial(n,p): P(X = :L') = (2)1911 p)'z. :1: = 0,1, . . ,n.
c X ~ Poissonn): P(X=:r)
1. (3 p
SUNY College of Environmental Science and Forestry
Probability and Statistics
APM 350

Fall 2015
MAT 421  Fall 16 Quiz 6 (Oct 26) :iwmj
Write the answers clearly and legibly. You must show appropriate work to receive credit.
Formulae:
I If the interarrival times have an Exponential distribution with parameter A, then the time until
the nth arriv
SUNY College of Environmental Science and Forestry
Probability and Statistics
APM 350

Fall 2015
36.
Asampleof260shoreoil workerstookpartinasimu
latedescapeexercise, resultingindteaccompanyingdata
on time (sec) to complete the escape (Oxygen
Consumption and Ventilation During Escape from an
Offshore Platform, Ergonomics, 1997: 281292):
389 356 359
SUNY College of Environmental Science and Forestry
Probability and Statistics
APM 350

Fall 2015
MAT 421  Fall 16 Quiz 4 (Oct 12)  Ll/7/0/l/5
Write the answers clearly and legibly. You must show appropriate work to receive credit.
1. (3 points each part) X is a continuous random variable whose p.d.l' is given as:
_ (2/9) (3:17 $2) for 0 S a: S
SUNY College of Environmental Science and Forestry
Probability and Statistics
APM 350

Fall 2015
MAT 421  Fall 16 Quiz 2 (Sep 21)
Write the answers clearly and legibly. You must show appropriate work to receive credit.
1. At a certain gas station, 35% of the customers use regular unleaded gas, 45% use extra unleaded
gas, and 20% use premium unlead