(a) To design a database , using DBDL and ER diagram, for the following user view: List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

Question

cases: Compare the Poisson approximation with the correct binomial probability for the following a. P{X=2} when n = 8, p = 0.2 b. P{X 5} when n = 10, p = 0.5 c. P{X=0} when n = 20, p = 0.2 d. P{X=3} when n = 9, p = 0.1

Answer 1

Question

Chapter 6, Problem 1CATC

To determine

(a)

To design a database, using DBDL and ER diagram, for the following user view:

List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

To determine

(b)

To design a database, using DBDL and ER diagram, for the following user view:

For each trip list the trip ID, name of trip, starting location of trip, state in which trip originate, distance of trip, maximum group size of trip, type of trip and season of trip. Along with that list the guide number, first name, last name of each guide for the trip with the following constraints: a guide may lead many trips and a trip may be led by many different guides.

To determine

(c)

To design a database, using DBDL and ER diagram, for the following user view:

For each client provide client number, last name, first name, address, city, state, postal code and telephone number.

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cases: Compare the Poisson approximation with the correct binomial probability for the following a. P{X=2} when n = 8, p = 0.2 b. P{X 5} when n = 10, p = 0.5 c. P{X=0} when n = 20, p = 0.2 d. P{X=3} when n = 9, p = 0.1

4. Suppose that the average number of cars abandoned weekly on a certain highway is λ = 1.68. Approximate the probability that there will be (a) No abandoned cars in the next week. (b) At least 2 abandoned cars in the next week. Hint: Model the problem with a Poisson random variable.

od The probability mass function of a discrete random variable X is given by P(X = 1) = {} x=1,2,3,4 10 otherwise (a) Draw the probability mass function (PMF) of this random variable. (b) Draw the cumulative distribution function (CDF) of this random variable. (c) What is P{2< x <4}? Write it in terms of the CDF. (d) What is E[X]? (e) What is Var[X]? (f) What is E[X (6-X)]? (g) What is Var[3X - 2]?

Answer 2

Question

Chapter 6, Problem 1CATC

To determine

(a)

To design a database, using DBDL and ER diagram, for the following user view:

List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

To determine

(b)

To design a database, using DBDL and ER diagram, for the following user view:

For each trip list the trip ID, name of trip, starting location of trip, state in which trip originate, distance of trip, maximum group size of trip, type of trip and season of trip. Along with that list the guide number, first name, last name of each guide for the trip with the following constraints: a guide may lead many trips and a trip may be led by many different guides.

To determine

(c)

To design a database, using DBDL and ER diagram, for the following user view:

For each client provide client number, last name, first name, address, city, state, postal code and telephone number.

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Answer 3

Question

Chapter 6, Problem 1CATC

To determine

(a)

To design a database, using DBDL and ER diagram, for the following user view:

List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

To determine

(b)

To design a database, using DBDL and ER diagram, for the following user view:

For each trip list the trip ID, name of trip, starting location of trip, state in which trip originate, distance of trip, maximum group size of trip, type of trip and season of trip. Along with that list the guide number, first name, last name of each guide for the trip with the following constraints: a guide may lead many trips and a trip may be led by many different guides.

To determine

(c)

To design a database, using DBDL and ER diagram, for the following user view:

For each client provide client number, last name, first name, address, city, state, postal code and telephone number.

Expert Solution & Answer

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Answer 4

Question

Chapter 6, Problem 1CATC

To determine

(a)

To design a database, using DBDL and ER diagram, for the following user view:

List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

To determine

(b)

To design a database, using DBDL and ER diagram, for the following user view:

For each trip list the trip ID, name of trip, starting location of trip, state in which trip originate, distance of trip, maximum group size of trip, type of trip and season of trip. Along with that list the guide number, first name, last name of each guide for the trip with the following constraints: a guide may lead many trips and a trip may be led by many different guides.

To determine

(c)

To design a database, using DBDL and ER diagram, for the following user view:

For each client provide client number, last name, first name, address, city, state, postal code and telephone number.

Expert Solution & Answer

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Answer 5

Chapter 6, Problem 1CATC

To determine

(a)

To design a database, using DBDL and ER diagram, for the following user view:

List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

To determine

(b)

To design a database, using DBDL and ER diagram, for the following user view:

For each trip list the trip ID, name of trip, starting location of trip, state in which trip originate, distance of trip, maximum group size of trip, type of trip and season of trip. Along with that list the guide number, first name, last name of each guide for the trip with the following constraints: a guide may lead many trips and a trip may be led by many different guides.

To determine

(c)

To design a database, using DBDL and ER diagram, for the following user view:

For each client provide client number, last name, first name, address, city, state, postal code and telephone number.

Answer 6

Chapter 6, Problem 1CATC

To determine

(a)

To design a database, using DBDL and ER diagram, for the following user view:

List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

Answer 7

Chapter 6, Problem 1CATC

To determine

(a)

To design a database, using DBDL and ER diagram, for the following user view:

List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

Answer 8

To determine

(b)

To design a database, using DBDL and ER diagram, for the following user view:

For each trip list the trip ID, name of trip, starting location of trip, state in which trip originate, distance of trip, maximum group size of trip, type of trip and season of trip. Along with that list the guide number, first name, last name of each guide for the trip with the following constraints: a guide may lead many trips and a trip may be led by many different guides.

Answer 9

To determine

(b)

To design a database, using DBDL and ER diagram, for the following user view:

For each trip list the trip ID, name of trip, starting location of trip, state in which trip originate, distance of trip, maximum group size of trip, type of trip and season of trip. Along with that list the guide number, first name, last name of each guide for the trip with the following constraints: a guide may lead many trips and a trip may be led by many different guides.

Answer 10

To determine

(c)

To design a database, using DBDL and ER diagram, for the following user view:

For each client provide client number, last name, first name, address, city, state, postal code and telephone number.

Answer 11

To determine

(c)

To design a database, using DBDL and ER diagram, for the following user view:

For each client provide client number, last name, first name, address, city, state, postal code and telephone number.

Answer 12

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Ch. 6 - Prob. 1RQ Ch. 6 - Prob. 2RQ Ch. 6 - Prob. 3RQ Ch. 6 - Prob. 4RQ Ch. 6 - Prob. 5RQ Ch. 6 - Prob. 6RQ Ch. 6 - Prob. 7RQ Ch. 6 - Prob. 8RQ Ch. 6 - Prob. 9RQ Ch. 6 - Prob. 10RQ

(a) To design a database , using DBDL and ER diagram, for the following user view: List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

(a) To design a database, using DBDL and ER diagram, for the following user view: List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

(c) To design a database, using DBDL and ER diagram, for the following user view: For each client provide client number, last name, first name, address, city, state, postal code and telephone number.

Chapter 6 Solutions

(a)

To design a database, using DBDL and ER diagram, for the following user view:

List the guide number, guide last name, guide first name, address, city, state, postal code, telephone number and date hired for each guide.

(c)

To design a database, using DBDL and ER diagram, for the following user view:

For each client provide client number, last name, first name, address, city, state, postal code and telephone number.