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Master the Certified Lean Six Sigma Black Belt (CLSSBB) CLSSBB Exam with Confidence!

Questions 51

P(A) = .42, P(B) = .58, P(A&B) = .10. Find P(A or B).

Options:

A.

.90

B.

1.00

C.

.24

D.

none of the above

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Questions 52

A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a mean of approximately:

Options:

A.

42

B.

42/6

C.

42/15

D.

42/ 15

E.

none of the above

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Questions 53

A population is bimodal with a variance of 5.77. One hundred samples of size 30 are randomly collected and the 100 sample means are calculated. The standard deviation of these sample means is approximately:

Options:

A.

5.77

B.

2.40

C.

1.05

D.

0.44

E.

0.19

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Questions 54

Find the value of (8) in the ANOVA table. Assume:

CLSSBB Question 54

Options:

A.

16.4

B.

3.2

C.

18.6

D.

23.2

E.

4.54

F.

12.2

G.

0.525

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Questions 55

A control chart is to be used to display the number of non-conducting diodes. Each point on the chart represents the number of bad diodes in a box of 1000. The appropriate control chart to use is:

Options:

A.

x-bar and R

B.

median

C.

individual and moving range

D.

p

E.

np

F.

u

G.

c

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Questions 56

This experimental design is:

Options:

A.

full factorial

B.

half factorial

C.

quarter factorial

D.

none of the above

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Questions 57

A black belt is developing a failure mode and effects analysis (FMEA) for the hamburger preparation station in a fast-food restaurant. The following ratings were developed for the low-heat temperature failure mode.

Severity = 9

Occurrence = 2

Detection = 1

What is the risk priority number (RPN) for this FMEA?

Options:

A.

4

B.

6

C.

12

D.

18

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Questions 58

When a team consists of five black belts and eight quality engineers, how many unique meetings could be held consisting of one black belt and two quality engineers?

Options:

A.

40

B.

80

C.

140

D.

280

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Questions 59

A Black Belt is going to monitor the number of defects on different size samples. Which of the following control charts would be most appropriate?

Options:

A.

u

B.

np

C.

c

D.

p

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Questions 60

Find the value of (11) in the ANOVA table. Assume:

CLSSBB Question 60

Options:

A.

Choices Not available (but this Question Answer E)

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