Question

A manufacturing company regularly conducts quality control checks at specified periods on the products it manufactures. Historically, the failure rate for LED light bulbs that the company manufactures is 18%. Suppose a random sample of 10 LED light bulbs is selected. Complete parts (a) through (d) below

a) None of the LED light bulbs are defective? b) Exactly one of the LED light bulbs is defective? c) Two or fewer of the LED light bulbs are defective? d) Three or more of the LED light bulbs are not defective?

Answer #1

A manufacturing company regularly conducts quality control
checks at specified periods on the products it manufactures.
Historically, the failure rate for LED light bulbs that the company
manufactures is 11%. Suppose a random sample of 10 LED light bulbs
is selected. What is the probability that a) None of the LED light
bulbs are defective? b) Exactly one of the LED light bulbs is
defective? c) Two or fewer of the LED light bulbs are defective? d)
Three or more...

A manufacturing company regularly conducts quality control
checks at specified periods on the products it manufactures.
Historically, the failure rate for LED light bulbs that the company
manufactures is 8 %. Suppose a random sample of 10 LED light bulbs
is selected. Complete parts (a) through (d) below
What is the probability that three or more of the LED light
bulbs are defective?
The probability that three or more of the LED light bulbs are
defective is?

A manufacturing company regularly conducts quality control
checks at specified periods on the products it manufactures.
Historically, the failure rate for LED light bulbs that the company
manufactures is 8%. Suppose a random sample of 10 LED light bulbs
is selected. Complete parts (a) through (d) below.
a. What is the probability that none of the LED light bulbs are
defective? The probability that none of the LED light bulbs are
defective is nothing. (Type an integer or a decimal....

Quality control is an important issue at ACME Company, which
manufactures light bulbs. To test the life-hours of their light
bulbs, they randomly sampled nine light bulbs and measured how many
hours they lasted: 378, 361, 350, 375, 200, 391, 375, 368,
321.
What is the median?

In one manufacturing company, it is known the probability of a
product pass the quality control test can only be 0.6, 0.2 or 0.1,
otherwise they are identified as defective. Considering occurrence
chance of 0.6 scenario is twice higher than the other
possibilities, if quality control center test products, what is the
probability that until a defective item has been found: is 0.6, 0.2
or 0.1 given they had to test 1, 2, 3, or 4 products?

As a quality control manager, you are responsible for checking
the quality level of AC adapters for tablet PCs that your company
manufactures. You must reject a shipment if you find 5 defective
units. Suppose a shipment of 43 AC adapters has 9 defective units
and 34 nondefective units. Complete parts (a) through (d) below
assuming you sample 12 AC adapters.
a. What is the probability that there will be
no defective units in the shipment?
b. What is the...

A manufacturing company produces 10,000 products a day. From
previous experience, quality control analysts estimate that 0.5% of
products manufactured have some kind of defect and cannot be sold.
The defective products are thrown away and treated as a loss. It
costs $1.00 to manufacture, distribute, and market each individual
unit, regardless of whether or not the product has a defect. The
unit retail price is $5.00, and each of the non-defective products
sells with probability 0.95.
6. Calculate the...

You have been hired as the quality control office of a
pharmaceutical company that manufactures aspirin tablets. According
to the quality assurance protocol, your job is to do the following.
For each shipment of possibly thousands and thousands of aspirin
tablets, randomly select and test 24 tablets, then accept the batch
if there is only one or no tablet that doesn’t meet the test
specification. If, at the pharmaceutical company, the probability
that randomly selected tablet is defective is .04,...

A manufacturing company’s quality control personnel have
recorded the proportion of defective items for each of 500 monthly
shipments of one of the computer components that the company
produces. The data are in the file P07_07.xlsx. The quality control
department manager does not have sufficient time to review
all
of these data. Rather, she would like to examine the proportions of
defective items for a sample of these shipments. For this problem,
you can assume that the population is the...

The following are quality control data for a manufacturing
process at Kensport Chemical Company. The data show the temperature
in degrees centigrade at five points in time during a manufacturing
cycle.
Sample
x
R
1
95.72
1.0
2
95.24
0.9
3
95.18
0.7
4
95.42
0.4
5
95.46
0.5
6
95.32
1.1
7
95.40
0.9
8
95.44
0.3
9
95.08
0.2
10
95.50
0.6
11
95.80
0.6
12
95.22
0.2
13
95.58
1.3
14
95.22
0.6
15
95.04
0.8
16...

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