It is known that 72% of people have a favorable opinion of their local police force....
It is known that 72% of people have a favorable opinion of their local police force. If 23 people are randomly selected, what is the % chance that:
exactly 15 people will have a favorable opinion of their local police force?
exactly 6 people will not have a favorable opinion of their local police force?
17 to 19 people have a favorable opinion of their local police force?
and at least 22 people have a favorable view of their local police force?
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It is known that 72% of people have a favorable opinion of their
local police force....
1. A certain medical test is known to detect 72% of the people who are afflicted...
1. A certain medical test is known to detect 72% of the people who are afflicted with the disease Y. If 10 people with the disease are administered the test, what is the probability that the test will show that: All 10 have the disease, rounded to four decimal places? .0374 At least 8 have the disease, rounded to four decimal places? At most 4 have the disease, rounded to four decimal places? Please show the steps in Microsoft excel...
It is known that 80% of people donating blood have a particular type of protein. Five...
It is known that 80% of people donating blood have a particular
type of protein. Five people are randomly selected.
1 What is the probability that at least one person does not have
the type of protein?
2 What is the probability that at most four have the type of
protein?
3 What is the smallest number of people who must be selected if
we want to be at least 90% certain that we obtain at least five
people with...
Problem #1 Some studies suggested that six in 10 people are satisfied with their local bank....
Problem #1 Some studies suggested that six in 10 people are satisfied with their local bank. If 9 people are randomly selected, what is the probability that the number of satisfied with their local bank is: Exactly two? At most two? At least three? Between four and six, inclusive?
Q4. Police in district ABC The police force in the district ABC prepares itself to receive on a typical day, on average...
Q4. Police in district ABC The police force in the district ABC prepares itself to receive on a typical day, on average 12 reports of car accidents. Other cases are resolved without police being involved. On a typical day, there are 40 cases of car accidents (reported or not) What is the probability that individuals report their car accident to the police on a typical day? (2 a- points) b- What is the variability (Standard deviation) that police should expect...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let the X random variable show the number of people who are not infected. In this case, among 20 people randomly selected from this region: 1.P(2< X 9) =? 2. P(3, 206 < X < 10,794) what is the minimum? b) it is known that 0.02 of the products in a factory are defective. By calculating the probability of at least 3 of 100 products...
2. A consumer survey randomly selects 2000 people and asks them about their income and their tele...
how
do i show work for this problem
2. A consumer survey randomly selects 2000 people and asks them about their income and their television-watching habits. The results are shown in the following table. The numbers within the table reflect people in various categories of TV-watching and annual income. As a reward for participation, each person is given a small prize. Then the names are placed in a box and one name is randomly selected to receive the grand prize...
The amount of coffee that people drink per day is normally distributed with a mean of...
The amount of coffee that people drink per day is normally
distributed with a mean of 16 ounces and a standard deviation of 5
ounces. 18 randomly selected people are surveyed. Round all answers
to 4 decimal places where possible.
I don't have a calculator so I have been doing this in Excel. If
I can get the explanation using excel that would be great!
The amount of coffee that people drink per day is normally distributed with a mean...
apter 1. Consider the following data on distances traveled by 100 people to visit the local...
apter 1. Consider the following data on distances traveled by 100 people to visit the local park. 1-8 30 25 20 15 10 9-16 17-24 25-32 33-40 Expand and construct the table adding columns for relative frequency and cumulative relative frequency. Then plot Histogram, Frequency Polygon and Ogive Curve. 2. Math test anxiety can be found throughout the general population. A study of 200 seniors at a local high school was conducted. The following table was produced from the data....
A random selection of US adults are asked their age and their favorite dessert. The results...
A random selection of US adults are asked their age and their favorite dessert. The results of the survey are given in the following table. Use this information to answer the following questions. In the place provided, write the proper probability statements and give answers as fractions or decimals, rounded to two decimal places. Cake Brownies Pie Ice Cream Cookies Other Total 18 - 22 13 22 9 11 19 2 76 23 - 28 18 14 21 15 7...
It is known that 80% of people donating blood have a particular
type of protein. Five people are randomly selected.
1 What is the probability that at least one person does not have
the type of protein?
2 What is the probability that at most four have the type of
protein?
3 What is the smallest number of people who must be selected if
we want to be at least 90% certain that we obtain at least five
people with...
Q4. Police in district ABC The police force in the district ABC prepares itself to receive on a typical day, on average 12 reports of car accidents. Other cases are resolved without police being involved. On a typical day, there are 40 cases of car accidents (reported or not) What is the probability that individuals report their car accident to the police on a typical day? (2 a- points) b- What is the variability (Standard deviation) that police should expect...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let the X random variable show the number of people who are not infected. In this case, among 20 people randomly selected from this region: 1.P(2< X 9) =? 2. P(3, 206 < X < 10,794) what is the minimum? b) it is known that 0.02 of the products in a factory are defective. By calculating the probability of at least 3 of 100 products...
how
do i show work for this problem
2. A consumer survey randomly selects 2000 people and asks them about their income and their television-watching habits. The results are shown in the following table. The numbers within the table reflect people in various categories of TV-watching and annual income. As a reward for participation, each person is given a small prize. Then the names are placed in a box and one name is randomly selected to receive the grand prize...
The amount of coffee that people drink per day is normally
distributed with a mean of 16 ounces and a standard deviation of 5
ounces. 18 randomly selected people are surveyed. Round all answers
to 4 decimal places where possible.
I don't have a calculator so I have been doing this in Excel. If
I can get the explanation using excel that would be great!
The amount of coffee that people drink per day is normally distributed with a mean...
apter 1. Consider the following data on distances traveled by 100 people to visit the local park. 1-8 30 25 20 15 10 9-16 17-24 25-32 33-40 Expand and construct the table adding columns for relative frequency and cumulative relative frequency. Then plot Histogram, Frequency Polygon and Ogive Curve. 2. Math test anxiety can be found throughout the general population. A study of 200 seniors at a local high school was conducted. The following table was produced from the data....
A random selection of US adults are asked their age and their favorite dessert. The results of the survey are given in the following table. Use this information to answer the following questions. In the place provided, write the proper probability statements and give answers as fractions or decimals, rounded to two decimal places. Cake Brownies Pie Ice Cream Cookies Other Total 18 - 22 13 22 9 11 19 2 76 23 - 28 18 14 21 15 7...
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