Packages in a package delivery service are divided into weight classes. Suppose the weight of the packages, x, in a specific class are uniformly distributed between 3 and 8 pounds.

1. Compute f(x) for 3 <= x <= 8.

The potential answers are:

A: 0.167

B: 0.091

C: 0.2

D: 0.143

E: 0.25

2. Compute the average weight of a package. E(x)=(b+a)/2.

The potential answers are:

A: 8 pounds.

B: 5.5 pounds.

C: 6.5 pounds.

D: 9 pounds.

E: 4.5 pounds.

3. Compute the standard deviation of the weight of a package. VAR(x)=[(b- a)Squared]/12.

The potential answers are:

A: 1.73 pounds.

B: 3.18 pounds.

C: 2.6 pounds.

D: 1.44 pounds.

E: 1.15 pounds.

4. Compute the probability that a package weighs at most 4.2 pounds.

The potential answers are:

A: 88.89%

B: 71.25%

C: 24%

D: 2%

E: 68.57%

5. Compute the probability that a package weighs at least 3.8 pounds.

The potential answers are:

A: 86%

B: 68%

C: 84%

D: 41.43%

E: 6.25%

6. Find the probability that a package weighs between 5.5 and 6.6 pounds.

The potential answers are:

A: 45.56%

B: 63.75%

C: 48%

D: 58.75%

E: 22%

7. Compute the probability that a package weighs between 7.4 and 9.18 pounds.

The potential answers are:

A: 12

B: 98

C: 72

D: 13.75

E: 14.29

8. Compute the probability that a package weighs between 1.75 and 4.8 pounds.

The potential answers are:

A: 60%

B: 36%

C: 23.75%

D: 19%

E: 32%

9. Compute the maximum weight for the lower 17 % of the packages.

The potential answers are:

A: 3.6

B: 2.7

C: 5.85

D: 2.44

E: 3.85

10. Find the minimum weight for the heaviest 11 % of the packages.

The potential answers are:

A: 7.45

B: 9.56

C: 8.88

D: 9

E: 9.15

Answer 1:You AnsweredA

Correct Answer

C

Answer 2:Correct!B

Answer 3:Correct!D

Answer 4:You AnsweredD

Correct Answer

C

Answer 5:You AnsweredB

Correct Answer

C

Answer 6:Correct!E

Answer 7:You AnsweredE

Correct Answer

A

Answer 8:You AnsweredC

Correct Answer

B

Answer 9:You AnsweredD

Correct Answer

E

Answer 10:You AnsweredC

Correct Answer

A