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What are the 2 conditions that determine a probability distribution?
The value of the distribution for any value of the random variable must be in the range [0, 1]. The sum (or integral) of the probability distribution function over all possible values of the random variable must be 1.
What is the probability that a standard normal variable will be between the values of -2 and 1?
0.636 approx.
Is family size a continuous variable?
No, this is a discrete variable since it can assume only whole number values: 0, 1, 2, 3, ... . A continuous variable would be one such as volume of water in a swimming pool which could be measured in real number units of volume.
What would -2 standard deviation below the mean be?
It would mean that the result was 2 standard deviations above the mean. Depending on the distribution of the variable, it may be possible to attach a probability to this, or more extreme, observations.It would mean that the result was 2 standard deviations above the mean. Depending on the distribution of the variable, it may be possible to attach a probability to this, or more extreme, observations.It would mean that the result was 2 standard deviations above the mean. Depending on the distribution of the variable, it may be possible to attach a probability to this, or more extreme, observations.It would mean that the result was 2 standard deviations above the mean. Depending on the distribution of the variable, it may be possible to attach a probability to this, or more extreme, observations.
What is the sample space when 2 coins are tossed?
Assuming the variable of interest is the face on top: H (= heads) or T (= tails), then they are the four possible outcomes: HH, HT, TH and TT.
What data can have only 2 values?
A binary variable.
What are possible values of N?
The possible values of ( N ) would depend on the specific context or constraints provided in the problem. For example, if ( N ) represents a natural number, the possible values could be any positive integer (1, 2, 3, etc.). If ( N ) is defined in a different context, such as a variable in an equation or a set of conditions, the values would vary accordingly. Without additional information, it’s difficult to provide a definitive answer.
What are the 2 conditions that determine a probability distribution?
The value of the distribution for any value of the random variable must be in the range [0, 1]. The sum (or integral) of the probability distribution function over all possible values of the random variable must be 1.
When does an inequality have a limited range of solutions?
An inequality has a limited range of solutions when it restricts the values of the variable to a specific interval or set of points. For example, inequalities like ( x < 5 ) or ( 2 < x \leq 7 ) define boundaries that limit the possible values of ( x ). Additionally, inequalities that involve absolute values, such as ( |x - 3| < 2 ), also result in a limited range, as they constrain the variable to fall within a specific distance from a point.
What is the probability that a standard normal variable will be between the values of -2 and 1?
0.636 approx.
How many possible values are there for the spin quantum number?
The spin quantum number can have two possible values: +1/2 or -1/2.
How do you complete a table of values with the equation -2y 6x-2?
Given a value for the variable x, you find (calculate) the corresponding value of y. These (x, y) pairs are part of the table. You cannot complete the table because there are infinitely many possible values of x.
A sentence with the word dependent variable?
"If y=2x, then x is the independent variable and y is the dependent variable." Also, " If x=y/2 then y is the independent variable and x is the dependent variable". Also, "The dependent variable is the one variable which is found by giving values to all the independent variables"
Are there any values of the variable A for which the expressions 2 plus A and 2A have the same value?
2. 2 plus 2 equals 4 and 2(2)= 4
Is all values of the variable that satisfy the inequality?
To determine if all values of a variable satisfy an inequality, you need to analyze the inequality itself. If it is always true (for instance, a statement like (x + 2 > x + 1) is always true), then all values of the variable satisfy it. However, if specific conditions or limits on the variable exist (like (x > 5)), then only those values that meet the conditions are valid solutions. Thus, the answer depends on the specific inequality in question.
Is the standard deviation of the data values in a sample is 17 what is the variance of the data values?
The variance of a set of data values is the square of the standard deviation. If the standard deviation is 17, the variance can be calculated as (17^2), which equals 289. Therefore, the variance of the data values in the sample is 289.
Is a discrete variable normally described as a word?
No.A discrete variable is a variable that can not assume all possible values within a given range.For example, if I were to conduct a survey on the number of children people had, then my answers would be numbers such as 0, 1, 2 and so forth (i.e. they would be whole numbers). This particular variable could not have a value in between these (a non integer value), such as 1.345, as this makes no sense in this context. This makes the variable discrete.
