One Florida store gathers some demographic information from their customers. The following chart summarizes the age-related...
One Florida store gathers some demographic information from
their customers. The following chart summarizes the age-related
information they collected:
| Age | Number of Customers |
|---|---|
| <20 | 98 |
| 20-30 | 59 |
| 30-40 | 72 |
| 40-50 | 71 |
| 50-60 | 74 |
| ≥60 | 60 |
One customer is chosen at random for a gift card!
A. What is the probability that the customer is at least 20 but no
older than 60?
B. What is the probability that the customer is either older than 60 or younger than 20?
C. What is the probability that the customer is at least 50?
leave answer as decimal
Homework Answers
Add Answer to:
One Florida store gathers some demographic information from
their customers. The following chart summarizes the age-related...
A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected:
A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected: One customer is chosen at random for a prize giveaway. What is the probability that the customer is at least 20 but no older than 40? What is the probability that the customer is either older than 60 or younger than 40? What is the probability that the customer is at least 60? Enter your answers as either decimals or fractions, not as percents.
GISELLE TELLEZ-NUNEZ Due in 12 hours, 58 minutes. Due Mon 01/13/2020 8:30 am A store gathers...
GISELLE TELLEZ-NUNEZ Due in 12 hours, 58 minutes. Due Mon 01/13/2020 8:30 am A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected: Number of Customers Age <20 20-30 30-40 40-50 50-60 60 One customer is chosen at random for a prize giveaway What is the probability that the customer is at least 20 but no older than 607 Preview What is the probability that the customer is either older than 60...
Chapter 3 and 4 Test Due in 3 hours, 31 minutes. Due Thu 07/30/2020 11:59 pm...
Chapter 3 and 4 Test Due in 3 hours, 31 minutes. Due Thu 07/30/2020 11:59 pm Questions A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: Age <20 20-29 30-39 40-49 50-59 > 60 Number of Customers 67 56 86 53 72 51 Question 1 [5/5] Question 2 [5/5] C Question 3 (0/5) C Question 4 (3.3/5) Question 5 (5/5) Question 6 [5/5] Question 7 [5/5] Question 8 (5/5)...
An analyst at a local bank wonders if the age distribution of customers coming for service...
An analyst at a local bank wonders if the age distribution of customers coming for service at his branch in town is the same as at the branch located near the mall. He selects 100 transactions at random from each branch and researches the age information for the associated customer. Here are the data: Less than 30 30 - 35 56 and older Total In-Town Branch 20 40 40 100 Mall Branch 30 50 20 100 Total 50 90 60...
Homework Assignment Regarding Probability Addition Rule The following table summarizes results from a study of people...
Homework Assignment Regarding Probability Addition Rule The following table summarizes results from a study of people who refused to answer survey questions. Age Group 18-21 22-29 30-39 40-49 50-59 60 and over Responded 73 255 245 136 138 202 Refused 11 20 33 16 27 49 What is the probability that the selected person refused to answer or is in the 40-49 age bracket? What is the probability that the selected person responded or is in the 18-21 age bracket?...
The following frequency distribution shows the ages of India’s 59 richest individuals. One of these individuals...
The following frequency distribution shows the ages of India’s 59 richest individuals. One of these individuals is selected at random. Ages Frequency 30 up to 40 14 40 up to 50 14 50 up to 60 5 60 up to 70 15 70 up to 80 11 a. What is the probability that the individual is between 60 and 70 years of age? (Round your answer to 3 decimal places.) b. What is the probability that the individual is younger...
17)An analyst at a local bank wonders if the age distribution of customers coming for service...
17)An analyst at a local bank wonders if the age distribution of
customers coming for service at his branch in town is the same as
at the branch located near the mall. He selects 100 transactions at
random from each branch and researches the age information for the
associated customer. Here are the data:
17) An analyst at a local bank wonders if the age distribution of customers coming for service at his branch in town is the same as...
The following frequency distribution shows the ages of India’s 40 richest individuals. One of these individuals...
The following frequency distribution shows the ages of India’s 40 richest individuals. One of these individuals is selected at random. Ages Frequency 30 up to 40 3 40 up to 50 8 50 up to 60 15 60 up to 70 9 70 up to 80 5 SOURCE: http://www.forbes.com. a. What is the probability that the individual is between 50 and 60 years of age? (Round your answer to 3 decimal places.) b. What is the probability that the individual...
2. What was the age distribution of nurses in Great Britain at the time of Florence...
2. What was the age distribution of nurses in Great Britain at the time of Florence Nightingaler We have the following data from Florence Nightingale's writing Age Range (yr) 20-29 30-39 40-49 50-59 60-69 70-79 80+ Midpoint x | 24.5 34.5 44.5 54.5 64.5 / 74.5 84.5 Percantage of Nurses 5.7% 9.7% 19.5% 29.2% 25.0% 9.1% 1.8% A. Using the age midpoints x and the percentage of nurses, do we have a valid probability distribution? Explain B. Use a histogram...
EXHIBIT C.1 Colorectal Cancer Incidence by Age Strata Age Cases Population Rate/100,000 < 1 2,141...
EXHIBIT C.1 Colorectal Cancer Incidence by Age Strata Age Cases Population Rate/100,000 < 1 2,141,127 o 8,559,824 0 10.353.968 o 10,039.911 26 10,844,290 97 10,881,353 223 10,922,914 510 9.936,086 900 10,173.758 40-44 1,8510,307,818 45-49 3.67811,072,321 50-54 6,67310,462,503 7.534 9,017.505 60-64 8,7407,430,412 65-69 9.4875.406,398 70-74 8,986 4,002,885 75-79 8,362 3.087.390 80-847,023 2,252,255 6,129 1,747.706 7,285 105,233.370 62,934 43.407,054 0 1-4 5-9 10-14 15-19 20-24 25-29 30-34 35-39 55-59 85+ 50 50+ Source: CDC (2013) 3. Calculate the incidence of colon cancer...
GISELLE TELLEZ-NUNEZ Due in 12 hours, 58 minutes. Due Mon 01/13/2020 8:30 am A store gathers some demographic information from their customers. The following chart summarizes the age-related information they collected: Number of Customers Age <20 20-30 30-40 40-50 50-60 60 One customer is chosen at random for a prize giveaway What is the probability that the customer is at least 20 but no older than 607 Preview What is the probability that the customer is either older than 60...
Chapter 3 and 4 Test Due in 3 hours, 31 minutes. Due Thu 07/30/2020 11:59 pm Questions A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: Age <20 20-29 30-39 40-49 50-59 > 60 Number of Customers 67 56 86 53 72 51 Question 1 [5/5] Question 2 [5/5] C Question 3 (0/5) C Question 4 (3.3/5) Question 5 (5/5) Question 6 [5/5] Question 7 [5/5] Question 8 (5/5)...
17)An analyst at a local bank wonders if the age distribution of
customers coming for service at his branch in town is the same as
at the branch located near the mall. He selects 100 transactions at
random from each branch and researches the age information for the
associated customer. Here are the data:
17) An analyst at a local bank wonders if the age distribution of customers coming for service at his branch in town is the same as...
2. What was the age distribution of nurses in Great Britain at the time of Florence Nightingaler We have the following data from Florence Nightingale's writing Age Range (yr) 20-29 30-39 40-49 50-59 60-69 70-79 80+ Midpoint x | 24.5 34.5 44.5 54.5 64.5 / 74.5 84.5 Percantage of Nurses 5.7% 9.7% 19.5% 29.2% 25.0% 9.1% 1.8% A. Using the age midpoints x and the percentage of nurses, do we have a valid probability distribution? Explain B. Use a histogram...
EXHIBIT C.1 Colorectal Cancer Incidence by Age Strata Age Cases Population Rate/100,000 < 1 2,141,127 o 8,559,824 0 10.353.968 o 10,039.911 26 10,844,290 97 10,881,353 223 10,922,914 510 9.936,086 900 10,173.758 40-44 1,8510,307,818 45-49 3.67811,072,321 50-54 6,67310,462,503 7.534 9,017.505 60-64 8,7407,430,412 65-69 9.4875.406,398 70-74 8,986 4,002,885 75-79 8,362 3.087.390 80-847,023 2,252,255 6,129 1,747.706 7,285 105,233.370 62,934 43.407,054 0 1-4 5-9 10-14 15-19 20-24 25-29 30-34 35-39 55-59 85+ 50 50+ Source: CDC (2013) 3. Calculate the incidence of colon cancer...
Most questions answered within 3 hours.
-
Now that we have some familiarity with random variables, we are
going to start a discussion...
asked 13 minutes ago -
A beam of microwaves with λ = 0.9 mm is incident upon a 9 cm
slit....
asked 7 minutes ago -
It is common to hear comments like “Why do baseball players
earn millions of dollars a...
asked 5 minutes ago -
A random sample of 40 adults with no children under
the age of 18 years reaults...
asked 11 minutes ago -
You
are setting up a class so that you can train several junior
administrators on Windows...
asked 13 minutes ago -
True or False?
1) The superfund legislation established a national trust fund
to pay for the...
asked 24 minutes ago -
n January 1, Coldwater Company has a net book value of
$1,683,000 as follows:
1,050 shares...
asked 23 minutes ago -
Robert was able to travel 166.0 miles in 4.000 hours and used 38
liters of gasoline....
asked 28 minutes ago -
Explain the differences between FIND and FINDSTR command in
windows:
[write in a few sentences]
asked 39 minutes ago -
A 200g block attached to a horizontal spring is oscillating with
an amplitude of 2.0cm and...
asked 43 minutes ago -
When solving for an optimal bundle using the Hicksian and
Marshallian demand, should you get the...
asked 43 minutes ago -
1. The standard width between rails on North American and most
European railroads is 5 ft...
asked 41 minutes ago