Question

Chicken Delight claims that 90% of its orders are delivered
within 10 minutes of the time the

order is placed. A sample of 100 orders revealed that 92 were
delivered within the promised

time. At the .10 significance level, can we conclude that more than
90% of the orders are

delivered in less than 10 minutes?

Answer #1

Chicken Delight claims that 92% of its orders are delivered
within 10 minutes of the time the order is placed. A sample of 80
orders revealed that 70 were delivered within the promised time. At
the 0.01 significance level, can we conclude that less than 92% of
the orders are delivered in less than 10 minutes?
A.) What is the decision rule? (Negative amount should
be indicated by a minus sign. Round your answer to 2 decimal
places.)
B.) Compute...

Chicken Delight claims that 64% of its orders are delivered
within 10 minutes of the time the order is placed. A sample of 100
orders revealed that 58 were delivered within the promised time. At
the 0.10 significance level, can we conclude that less than 64% of
the orders are delivered in less than 10 minutes?
a. What is your decision regarding the below
hypothesis? (Round the final answer to 2 decimal
places.)
H0 is rejected if z
< ...

Chicken Delight claims that 96% of its orders are delivered
within 10 minutes of the time the order is placed. A sample of 70
orders revealed that 64 were delivered within the promised time. At
the 0.01 significance level, can we conclude that less than 96% of
the orders are delivered in less than 10 minutes?
(a) What is the decision rule? (Negative amount should be indicated
by a minus sign. Round your answer to 2 decimal places.)
Reject Ho...

Question 1
Part (a)
Chicken Delight claims that at least 90 percent of its orders are
delivered within 5 minutes of the time the order was placed. A
sample of 50 orders revealed that 42 of them were delivered within
5 minutes. Using a level of significance of 0.05, carry out a
hypothesis test for Chicken Delightâ€™s claim.
Part (b)
What percentage of orders was delivered within 5 minutes in Part
(a)?
Part (c)
What is the decision regarding H0...

Cassandra's Cogs states in its advertisement that 90% of its
orders are ready to ship within three working days. A simple random
sample of 100 of the 2,500 orders received during the past month
are pulled for an audit. The audit shows that 84 of these orders
were shipped on time.
Part A: If Cassandra's Cogs really ships 90% of
its orders within three working days, what is the probability that
the proportion in the simple random sample of 100...

Comcast claims that mean waiting time of customers is 3 minutes
with a standard deviation of 1 minute for customer service. A
survey completed by an outside firm found in a sample of 50 Comcast
customers that the mean waiting time was 2.75 minutes. At the .05
significance level, can we conclude that the mean waiting time is
less than 3 minutes?

Monogram Masters states on its website that 92% of its orders
are ready to ship within five working days. A simple random sample
of 200 of the 3,000 orders received during the past month are
pulled for an audit. The audit shows that 175 of these orders were
shipped on time.
Part A: If Monogram Masters really ships 92% of
its orders within five working days, what is the probability that
the proportion in the simple random sample of 200...

Your mail-order company advertises that it ships 90% of its
orders within three working days. You select an SRS of 100 of the
5000 orders recieved in the past week for an audit. The audit
reveals that 86 of these orders were shipped on time.
(a) If the company really ships 90% of its orders on time, what
is the probability that 86 or fewer in an SRS of 100 orders are
shipped on time?
(b) A critic says "Aha!...

Your mail-order company advertises that it ships 90% of its
orders within three working days. You select an SRS of 100 of the
5000 orders recieved in the past week for an audit. The audit
reveals that 86 of these orders were shipped on time.
(a) If the company really ships 90% of its orders on time, what
is the probability that 86 or fewer in an SRS of 100 orders are
shipped on time?
(b) A critic says "Aha!...

Your mail-order company advertises that it ships 90% of its
orders within three working days. You select an SRS of 100 of the
5000 orders received in the past week for an audit. The audit
reveals that 86 of these orders were shipped on time. Note: It
could be assumed that it satisfies all four conditions of the
Binomial experiment.
a) If the company really ships 90% of its orders on time, what
is the probability that 86 or fewer...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 3 minutes ago

asked 7 minutes ago

asked 10 minutes ago

asked 19 minutes ago

asked 25 minutes ago

asked 39 minutes ago

asked 49 minutes ago

asked 57 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago