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Quiz navigation quesnni The probability that an individuai is left-handed is 0.11. In a class of40 students, what is the probability ol nding ve Ielt-handers?
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Quiz , Chapter 03
1 Printed circuit cards are placed in a funtional test after being populated with
Marks 1semiconductor chips. A lot contains 140 cards and 20 are selected without replacement for
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Quiz Chapter 06
1 Eight measurements were made on the inside diameter of forged piston rings used in an automobile
Mark5' 1 engine. The data (in millimeters) are 74.001; 74.003; 74.015; 74.000; 74.0
Quiz - Chapter 03
1 Messages arrive at a switchboard in a Poisson manner at an average rate of six per hour.
Mark5' lFind the probability for each of the following event: "No message arrives withi
Quiz - Chapter 03
answer. 93
1 Suppose Y has a hypergeometric distribution with N=20, n=4 and K=4. Find P(Y>2) and the mean of
Marks: 1 Y'
Choose one 0 . 0.0134 and 0.4
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b. None of others.
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Q navigation Gupsnn The manufacturing of semiconductor chips produce: 2% delectlv' e ch'ps. Assume the chips are independent and that a lot contains 1000 chips. A
Quiz Chapter 04
4<X<5, 8<X<12
Suppose that f(x) =59") for 45\) and P\(8<12\).
Marks: 1
Choose one o a. 0.3679 and 0.9820 nt x) W" 4 t 5 = -6321
answer. int x) from 8 to 12 = 0.0179
9 1]. 0.6321
Quiz , Chapter 03
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1 A multiple choice test contains 25 questions, each with four answers. Assume a student
Marks 1just guesses on each question. What is the probab
Quiz - Chapter 01
1 The steps 'n the eng'neer'ng method are as fobws: (unordered)
Marks: 1 (a). Develop a clear and concise descr'ptbn of the problem
(b). Conduct an apuopriate experinent to corfrm
Quiz - Chapter 01
1 Which following statement(s) is (are) true?
Marks: 1
Choose at least 5' a. Retrospecttive Study is a basic method of analysis data
one answer. 5 b. Retrospecttive Study is a basi
Quiz Chapter 02
1 A student buys 1000 integrated circuits (ICs) from supplier A, 2000 ICs from supplier B
Marks: 1and 3000 ICs from supplier C. He tested the ICs and found that the conditional proba
Quiz Chapter 04
1 Suppose X has an exponential distribution with a mean of 2. Find Par: 2) and P(l<2).<>
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Quiz Chapter 03
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Marks: 1
Printed circuit cards are placed in a funtional test after being populated with semiconductor chips. A
lot contains 140 cards and 20 are selec
Quiz 1 Chapter 02
Time Remainin-
Marks: 1
A sample preparation for a chemical measurement is completed correctly by 25% of the lab
technicians, completed with a minor error by 70% and completed with
Quiz Chapter 04
Marks: 1
The ll volume of an automated lling machine used for lling cans of carbonated beverage is
normally distributed with a mean of 12.4 uid ounces and a standard deviation of 0.1
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Quiz Chapter 07
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1 Suppose that sample of size n : 49 are selected at random a normal population with mean p =150
Marks' 1 and standard deviation :2 =
Quiz - Chapter 02
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0:02:54
1 The probability that a customer order is not shipped on time is 0.05. A particular customer places
Marks 1 three orders, and the orders ar
Quiz Chapter 08
1 The sugar content of the syrup in canned peaches is normally distributed. A
Marks random sample of n=10 cans yields a sample standard deviation of a = 4.8
1 ' milligrams. Calculate
Quiz - Chapter 04
1 Suppose X has an exponential distribution with a mean of 2. Find PO: 2 2) and P(1<2).<>
Marks: 1<X<2l
Choose one O a. 0.9817 and 0.0183
answer 0 0. 0.0030 and 0.1170
G c. 0.9
Quiz - Chapter 08
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1 The life in hours of a 75 watt light bulb is known to be normally distributed with
MarkS' 1standard deviation 25 hours. A random sample of 20 bulbs has a mean life of3=1014
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Quiz Chapter [I7
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1 A synthetic ber used in manufacturing carpet has tensile strength that is normal
MarkS' 1distributed with mean 75.5 psi and standard deviation 10.
Quiz 7 Chapter 01
1 The steps in the engineering method are as follows: (unordered)
MarkS' la. Develop a clear and concise description of the problem
. _ ' b. Conduct an appropriate experiment to co
Quiz - Chapter 02
1 A student buys 1000 integrated circuits (ICs) from supplier A, 2000 1C5 from supplier B
Mark5' land 3000 1C5 from supplier C. He tested the His and found that the conditional pro
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Quiz Chapter 08
1 An article describles the effect of delamination on the natural frequency of beams made from
Marks' 1 composite laminates. Five such delaminated beams were subjected to loads, and
Quiz - Chapter 06
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1 The following data are the temperatures of efuent at discharge from a sewage treatment
MarkS' 1facility on consecutive days: 43; 45; 49; 47; 52; 45; 51; 46
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Quiz - Chapter 01
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A random variable X, that represents a measuremert, is by us'ng the model X 2. + a where ,u is a constart and a
is a random disturbance. Then:
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