Q1) In particular region of Cape Cod, it is known that lobstermen trap on average of 32 pounds of lobster per day with standard deviation of four pounds. If random sample of 30 lobster fishermen is selected, determine the probability that their average catch is less than 31.5 pounds?
Q2) To find out whether 2 categorical variables are independent, one must use the:
a) ANOVA test.
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b) Tukey-Kramer multiple comparison procedure.
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c) chi-square test.
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d) F-test.
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Q3) Given random variable is normally distributed with mean=$10 and s.d.=$5. For random variable X=$10, z-value is:
a) 1
b) 5
c) 2
d) 0
Q4) Area to right of mean of normal probability distribution is
a) 1
b) .25
c) .50
d) 0
Q5) If number of occurrences of some phenomenon has Poisson distribution, then time between occurrences has __________ distribution.
a) normal
b) beta
c) lognormal
d) exponential