Question

A bin contains 77 light bulbs of which 6 are defective. If 3 light bulbs are randomly selected from the bin without replacement, find the probability that all the bulbs selected are good ones. Round answer to nearest thousand

Answer #1

A box contains 100 light bulbs of which 22 are defective.
Suppose 2 light bulbs are selected without replacement.
What is the probability that at least one of them is defective?
Give your answer to 3 places past the decimal.

A box contains 2 defective light bulbs and 8 working light
bulbs. Four bulbs are drawn at random, without replacement. Find
the standard error for the percentage of defective bulbs drawn.

Please explain
A box contains 42 light bulbs of which eight are defective. If
one person selects 20 bulbs from the box in a random manner, and a
second person then takes the remaining 22 bulbs, what is the
probability that all eight defective bulbs will be obtained by the
same person?

A package contains 4 light bulbs. The following table gives the
probability distribution (pdf) of the number of broken bulbs in the
package. A random package is selected. Use the table to answer the
following questions:
pdf for DRV
X
0
1
2
3
4
p(x)
0.66
0.20
?
0.05
0.02
What is the probability that there are exactly 2 defective
bulbs in a package?
What is the probability that there are at most 2 defective
bulbs in a package?...

Suppose a shipment of 50 baseballs contains 3 that are
defective. Baseballs from the shipment are randomly selected one at
a time and checked for defects. If a baseball is found to be
defective it is placed in a bin for return and reimbursement, if it
is good it is put aside for use. Determine the probability that the
3th defective baseball is identified on the
10th sample.

6. A manufactured parts is defective with probability 1/2. Bin A
consists of n+ 1 parts and bin B consists of n parts. What is the
probability that bin A consists of more defectives than bin B?
For the manufactured part mentioned in the above question, you
have a method of testing if it is defective, but it may give wrong
answers. If the tested part is defective, the method detects the
defect with probability 0.9. If the tested item...

Records show that 15% of imported components used to manufacture
light bulbs are defective. For a sample of five randomly
selected-components, calculate the probability that exactly two are
defective.

A bag of 31 tulip bulbs contains 10 red tulip bulbs, 11 yellow
tulip bulbs, and 10 purple tulip bulbs. Suppose two tulip bulbs
are randomly selected without replacement from the bag.
(a) What is the probability that the two randomly selected
tulip bulbs are both red?
(b) What is the probability that the first bulb selected is red
and the second yellow?
(c) What is the probability that the first bulb selected is
yellow and the second red?
(d)...

A bin contains 60 good pieces and 10 defective pieces. If a
sample of 4 is taken, what is the probability that 3 out of the 4
are good pieces?

A batch of 500 containers for frozen orange juice contains 5
that are defective. Three are selected, at random, without
replacement from the batch.
a. What is the probability that the second one selected is
defective given that the first one was defective?
b. What is the probability that the first two selected are
defective?
c. What is the probability that the first two selected are both
acceptable?
d. What is the probability that the third one selected is
defective...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 8 minutes ago

asked 8 minutes ago

asked 10 minutes ago

asked 11 minutes ago

asked 20 minutes ago

asked 37 minutes ago

asked 45 minutes ago

asked 47 minutes ago

asked 54 minutes ago

asked 54 minutes ago

asked 54 minutes ago

asked 1 hour ago