(a) To find: The given probability P ( x ≥ 25 ⋅ 0 )

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Answer 1

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Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 7.2, Problem 7.9E

To determine

(a)

To find:

The given probability P(x≥25⋅0)

To determine

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

To determine

(c)

To find:

The given probability P(x≤30)

To determine

(d)

To find:

The given probability P(x=26⋅2)

To determine

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

To determine

(f)

To find:

The given probability P(x≥15)

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A company found that the daily sales revenue of its flagship product follows a normal distribution with a mean of $4500 and a standard deviation of $450. The company defines a "high-sales day" that is, any day with sales exceeding $4800. please provide a step by step on how to get the answers in excel Q: What percentage of days can the company expect to have "high-sales days" or sales greater than $4800? Q: What is the sales revenue threshold for the bottom 10% of days? (please note that 10% refers to the probability/area under bell curve towards the lower tail of bell curve) Provide answers in the yellow cells

Answer 2

Question

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 7.2, Problem 7.9E

To determine

(a)

To find:

The given probability P(x≥25⋅0)

To determine

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

To determine

(c)

To find:

The given probability P(x≤30)

To determine

(d)

To find:

The given probability P(x=26⋅2)

To determine

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

To determine

(f)

To find:

The given probability P(x≥15)

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 7.2, Problem 7.9E

To determine

(a)

To find:

The given probability P(x≥25⋅0)

To determine

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

To determine

(c)

To find:

The given probability P(x≤30)

To determine

(d)

To find:

The given probability P(x=26⋅2)

To determine

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

To determine

(f)

To find:

The given probability P(x≥15)

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 7.2, Problem 7.9E

To determine

(a)

To find:

The given probability P(x≥25⋅0)

To determine

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

To determine

(c)

To find:

The given probability P(x≤30)

To determine

(d)

To find:

The given probability P(x=26⋅2)

To determine

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

To determine

(f)

To find:

The given probability P(x≥15)

Expert Solution & Answer

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See solution

Answer 5

Chapter 7.2, Problem 7.9E

To determine

(a)

To find:

The given probability P(x≥25⋅0)

To determine

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

To determine

(c)

To find:

The given probability P(x≤30)

To determine

(d)

To find:

The given probability P(x=26⋅2)

To determine

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

To determine

(f)

To find:

The given probability P(x≥15)

Answer 6

Chapter 7.2, Problem 7.9E

To determine

(a)

To find:

The given probability P(x≥25⋅0)

Answer 7

Chapter 7.2, Problem 7.9E

To determine

(a)

To find:

The given probability P(x≥25⋅0)

Answer 8

To determine

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

Answer 9

To determine

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

Answer 10

To determine

(c)

To find:

The given probability P(x≤30)

Answer 11

To determine

(c)

To find:

The given probability P(x≤30)

Answer 12

To determine

(d)

To find:

The given probability P(x=26⋅2)

Answer 13

To determine

(d)

To find:

The given probability P(x=26⋅2)

Answer 14

To determine

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

Answer 15

To determine

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

Answer 16

To determine

(f)

To find:

The given probability P(x≥15)

Answer 17

To determine

(f)

To find:

The given probability P(x≥15)

Answer 18

Expert Solution & Answer

Answer 19

Expert Solution & Answer

Answer 20

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Answer 21

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(a) To find: The given probability P ( x ≥ 25 ⋅ 0 )

Solution Summary: The author explains that normal distributions are symmetrical about the mean, so the required answer is P(xge 25cdot 0)

Concept explainers

Videos

(a)

To find:

The given probability P(x≥25⋅0)

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

(c)

To find:

The given probability P(x≤30)

(d)

To find:

The given probability P(x=26⋅2)

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

(f)

To find:

The given probability P(x≥15)

Want to see the full answer?

Chapter 7 Solutions

(a) To find: The given probability P ( x ≥ 25 ⋅ 0 )

Solution Summary: The author explains that normal distributions are symmetrical about the mean, so the required answer is P(xge 25cdot 0)

Concept explainers

Videos

(a) To find: The given probability P(x≥25⋅0)

(b) To find: The given probability P(20⋅0≤x≤30⋅0)

(c) To find: The given probability P(x≤30)

(d) To find: The given probability P(x=26⋅2)

(e) To find: The given probability P(15⋅0≤x≤25⋅0)

(f) To find: The given probability P(x≥15)

Want to see the full answer?

Chapter 7 Solutions

(a)

To find:

The given probability P(x≥25⋅0)

(b)

To find:

The given probability P(20⋅0≤x≤30⋅0)

(c)

To find:

The given probability P(x≤30)

(d)

To find:

The given probability P(x=26⋅2)

(e)

To find:

The given probability P(15⋅0≤x≤25⋅0)

(f)

To find:

The given probability P(x≥15)