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4. In a population of 20 families, the number of cars owned by each family is...
In a population of 20 families, the number of cars owned by each family is given...
In a population of 20 families, the number of cars owned by each family is given below:0,2,2,3,1,1,4,2,4,5,1,3,6,1,2,4,3,2,3,3LetXbe the number of cars owned, and Xi is the possible values of X. Use this data to answer the following questions: (a) Write down the relative-frequency distribution for X. (b) Find the median of the number of cars owned. (c) Find the mean of the number of cars owned. (d) Using (b) and (c), are there more than 50% of values Xi above...
by cach family is given below Let X be the munber of cars owned, and X,...
by cach family is given below Let X be the munber of cars owned, and X, be the pos- sible valus of X. Use this data to answer the following questions: (a) Write down the relative-frequency distribution for X (b) Find the median of number of cars owned. (c) Find the mean of mumber of cars owned (d) Using (b) and (c), are there more than 50% of values X, above the meau, or less? Explain your answe
Let the random variable x represent the number of cars owned by a family. Assume that...
Let the random variable x represent the number of cars owned by a family. Assume that x can take on five values: 0, 1, 2, 3, 4. A partial probability distribution is shown below: x 0 1 2 3 4 p(x) 0.2 0.1 0.3 ? 0.1 i. The probability that a family owns three cars equals _______ ii. The probability that a family owns between 1 and 3 cars, inclusive, equals _______ iii. ...
A statistics group divides families into two groups, couple families and lone-parent families. Da...
A statistics group divides families into two groups, couple families and lone-parent families. Data from a recent census for a region are available below. A surveyor calls 1000 families in the region at random in order to market products of different types to the two types of family. For each of the following questions, either answer the question or state why it is not possible to answer it with the information provided and the sampling distribution. Complete parts through (f)...
In a sample of 100 families, the number of children in each family is tabulated below:...
In a sample of 100 families, the number of children in each family is tabulated below: Number of Children Frequency 1 30 2 50 3 10 4 10 Total 100 Question: For each child, find the mean number of siblings. (A sibling is a brother or a sister. E.g. each child in a 5-child family would have 4 siblings.)?
Problem No. 4. Families 1-4 are going on their annual family picnic. Four cars are available...
Problem No. 4. Families 1-4 are going on their annual family picnic. Four cars are available to transport the families to the picnic. The cars can carry the following number of people: car 1, four; car 2, three; car 3, three; and car 4, four. There are four people in each family, and no car can carry more than two people from any one family. Formulate the problem of transporting the maximum possible number of people to the pienic as...
Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X...
Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the number of pairs of sneakers owned. The results are as follows. X Frequency 1 2 2 5 3 6 4 13 5 13 6 1 A. Find the sample mean x. (Round your answer to two decimal places.) B. Find the sample standard deviation, s. (Round your answer to two decimal places.) C. Complete the columns of the chart. (Round your answers...
For 20 families we have the following frequency distribution of the number of different jobs the...
For 20 families we have the following frequency distribution of the number of different jobs the primary wage earner has held during the past five years. number of jobs (0X0 frequency 0 2 8 2 3 4 Find the relative frequency for X-1 jobs.
1. Forty randomly selected students were asked the number of pairs of sneakers they owned. Let...
1. Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the number of pairs of sneakers owned. The results are as follows. X Frequency 1 2 2 5 3 6 4 13 5 13 6 1 A. Find the sample standard deviation, s. (Round your answer to two decimal places.) answer is NOT 1.22 B. Complete the columns of the chart. (Round your answers to three decimal places.) Fill in chart for...
Number in Family 4 4 5 2 8 3 4 6 1 3 7 4 4...
Number in Family
4
4
5
2
8
3
4
6
1
3
7
4
4
3
5
2
4
5
4
3
3
3
6
6
2
6
7
3
2
3
8
5
5
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3
4
5
4
5
4
8
5
4
4
6
5
6
4
5
2
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3
6
5
7
3
7
4
2
4
7
8
4
6
4
2
6
3
2
7
4
6
5
4
4
4
3...
by cach family is given below Let X be the munber of cars owned, and X, be the pos- sible valus of X. Use this data to answer the following questions: (a) Write down the relative-frequency distribution for X (b) Find the median of number of cars owned. (c) Find the mean of mumber of cars owned (d) Using (b) and (c), are there more than 50% of values X, above the meau, or less? Explain your answe
A statistics group divides families into two groups, couple families and lone-parent families. Data from a recent census for a region are available below. A surveyor calls 1000 families in the region at random in order to market products of different types to the two types of family. For each of the following questions, either answer the question or state why it is not possible to answer it with the information provided and the sampling distribution. Complete parts through (f)...
Problem No. 4. Families 1-4 are going on their annual family picnic. Four cars are available to transport the families to the picnic. The cars can carry the following number of people: car 1, four; car 2, three; car 3, three; and car 4, four. There are four people in each family, and no car can carry more than two people from any one family. Formulate the problem of transporting the maximum possible number of people to the pienic as...
For 20 families we have the following frequency distribution of the number of different jobs the primary wage earner has held during the past five years. number of jobs (0X0 frequency 0 2 8 2 3 4 Find the relative frequency for X-1 jobs.
Number in Family
4
4
5
2
8
3
4
6
1
3
7
4
4
3
5
2
4
5
4
3
3
3
6
6
2
6
7
3
2
3
8
5
5
4
3
4
5
4
5
4
8
5
4
4
6
5
6
4
5
2
3
3
6
5
7
3
7
4
2
4
7
8
4
6
4
2
6
3
2
7
4
6
5
4
4
4
3...
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