3. A restaurant with delivery services claims that at least 90% of its orders are delivered within 45 minutes after the time the order is placed. The manager fears this is no longer the case. A sample of 100 orders revealed that 82% were delivered within the promised time. At the 0.10 significance level, can we conclude that less than 90% of the orders are delivered on time? Ho: H₂: Zcrit = Zstat = tail, a= pvalue=
3. A restaurant with delivery services claims that at least 90% of its orders are delivered within 45 minutes after the time the order is placed. The manager fears this is no longer the case. A sample of 100 orders revealed that 82% were delivered within the promised time. At the 0.10 significance level, can we conclude that less than 90% of the orders are delivered on time? Ho: H₂: Zcrit = Zstat = tail, a= pvalue=
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
![3. A restaurant with delivery services claims that at least 90% of its orders are
delivered within 45 minutes after the time the order is placed. The manager fears
this is no longer the case. A sample of 100 orders revealed that 82% were
delivered within the promised time. At the 0.10 significance level, can we conclude
that less than 90% of the orders are delivered on time?
H₂:
H₂:
Zcrit =
Zstat =
tail,
α =
pvalue=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F953e3ae3-1a36-4eca-a542-ddeb8c6ae72a%2F6791c1ca-6507-41a6-97f9-5608d6612994%2F020d64i_processed.png&w=3840&q=75)
Transcribed Image Text:3. A restaurant with delivery services claims that at least 90% of its orders are
delivered within 45 minutes after the time the order is placed. The manager fears
this is no longer the case. A sample of 100 orders revealed that 82% were
delivered within the promised time. At the 0.10 significance level, can we conclude
that less than 90% of the orders are delivered on time?
H₂:
H₂:
Zcrit =
Zstat =
tail,
α =
pvalue=
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