which statement is right A a normal probability is a discrete probability distribution B a normal...
which statement is right
A a normal probability is a discrete probability distribution
B a normal probability is a continous probability
distribution
C a normal probability can be either a continous probability
distribution or a discrete probability distribution
D a normal probability is neither a continous probability
distribution or a discrete probability distribution
E none
Homework Answers
A normal probability distribution is a continuous probability distribution. It is the most symmetrical continuous distribution. A standard normal distribution has a mean 1 and 0 standard deviation. The correct option is B.
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which statement is right
A a normal probability is a discrete probability distribution
B a normal...
The uniform, normal, and exponential distributions a. are all continuous probability distributions. b. are all discrete...
The uniform, normal, and exponential distributions a. are all continuous probability distributions. b. are all discrete probability distributions. c. are all the same distributions. d. can be either continuous or discrete, depending on the data.
Consider the discrete probability distribution to the right. Complete parts a and b below. a. Calculate...
Consider the discrete probability distribution to the right. Complete parts a and b below. a. Calculate the mean of this distribution u = 2.44 (Type an integer or a decimal.) b. Calculate the standard deviation of this distribution G= (Round to three decimal places as needed.) Vuesuon Help Consider the discrete probability distribution to the right. Complete parts a and b below Outcome Probability 0.31 0.24 015 0.30 a. Calculate the mean of this distribution * 2.44 (Type an integer...
The t distribution is a discrete probability distribution. b) TrueFalseTrue The t distribution tends toward the standard...
The t distribution is a discrete probability distribution. b) TrueFalseTrue The t distribution tends toward the standard normal distribution as the degrees of freedom increase. c) FalseTrueClick for List The t distribution has a greater variance than the standard normal distribution. d) FalseTrueClick for List If T is a random variable with a t distribution, then P(T < 0) = 0.5. e) FalseTrueFalse For the t distribution, the mean and variance are always equal.
QUESTION 7 Consider the discrete probability distribution to the right when answering the following question. Find...
QUESTION 7 Consider the discrete probability distribution to the right when answering the following question. Find the probability that x exceed 4 9 7 4 3 0.36 0.26 0.20 Plx) A 0,62 B.0.49 C.0.82 D.0.51 E. 0.31 F 0.18 QUESTION 8 Provide a written description of the complement of the given event: Of ten adults, at least one of them has high blood pressuret A At most one of the adults has high blood pressure. B. None of the aduits...
Which of the following statements is not a property of the normal probability distribution?
Which of the following statements is not a property of the normal probability distribution?A. The normal distribution is symmetricB. Exactly two-thirds of all possible observed values of the random variable x are within plus or minus one standard deviations of the population meanC. The mean, median and mode are equalD. The area under the normal curve to the right of the mean is equal to the area under the normal curve to the left of the meanE. All of the...
A discrete probability distribution differs from a continuous probability distribution, by only t...
A discrete probability distribution differs from a continuous probability distribution, by only taking values on a discrete set (like the whole numbers) instead of a continuous set. The geometric distribution is a discrete probability distribution which measures the number of times an experiment must be repeated before a success occurs. For example, in this problem, we will roll a fair six-sided die until the number six occurs, at which point we stop rolling. (a) If we are rolling a die,...
Discrete probability problems 0.2 pts Question 12 The table below is a discrete probability distribution in...
Discrete probability problems
0.2 pts Question 12 The table below is a discrete probability distribution in which x represents the number of tudents that a statistics tutor may see on any given day and Pix) represents the probability that the tutor sees that number of students. P(x) О.11 0.18 e.36 e.16 e.14 e.es What is the mean of this discrete probability distribution? (Round to the nearest hundredth.) Question 13 0.2 pts The table below is a discrete probability distribution in...
+ 6 The giren values are discrete. Use the the region of the normal distribution probability....
+ 6 The giren values are discrete. Use the the region of the normal distribution probability. The probability of continuity that at least correction and describe corresponds to the indicated 44 boys 5. for the binomial distribution with the given Vulwes for in and p. stat whether or not it is suitable to use the normal distrib as an approximation n = 20 and p=0.a
Which is NOT a property of a normal distribution? A - Discrete X variables B -...
Which is NOT a property of a normal distribution? A - Discrete X variables B - Symmetrical distribution C - Bell-shaped distribution D -Approximately 68% of the scores fall between + and -1 standard deviation from the mean If the mean of a distribution is 84, the mode is 52 and the median is 58, the distribution is: A Positively skewed B Negatively skewed C Symmetric D Cannot tell from this information A few people do very poorly on a...
With a normal probability distribution curve, identify which statement is false: all the possible probabilities are...
With a normal probability distribution curve, identify which statement is false: all the possible probabilities are under the curve. the area under the curve is <1 the left side is a mirror image of the right side of the curve the probability that an item could have 5 grams less weight and 5 grams more weight is the same.
Consider the discrete probability distribution to the right. Complete parts a and b below. a. Calculate the mean of this distribution u = 2.44 (Type an integer or a decimal.) b. Calculate the standard deviation of this distribution G= (Round to three decimal places as needed.) Vuesuon Help Consider the discrete probability distribution to the right. Complete parts a and b below Outcome Probability 0.31 0.24 015 0.30 a. Calculate the mean of this distribution * 2.44 (Type an integer...
QUESTION 7 Consider the discrete probability distribution to the right when answering the following question. Find the probability that x exceed 4 9 7 4 3 0.36 0.26 0.20 Plx) A 0,62 B.0.49 C.0.82 D.0.51 E. 0.31 F 0.18 QUESTION 8 Provide a written description of the complement of the given event: Of ten adults, at least one of them has high blood pressuret A At most one of the adults has high blood pressure. B. None of the aduits...
A discrete probability distribution differs from a continuous probability distribution, by only taking values on a discrete set (like the whole numbers) instead of a continuous set. The geometric distribution is a discrete probability distribution which measures the number of times an experiment must be repeated before a success occurs. For example, in this problem, we will roll a fair six-sided die until the number six occurs, at which point we stop rolling. (a) If we are rolling a die,...
Discrete probability problems
0.2 pts Question 12 The table below is a discrete probability distribution in which x represents the number of tudents that a statistics tutor may see on any given day and Pix) represents the probability that the tutor sees that number of students. P(x) О.11 0.18 e.36 e.16 e.14 e.es What is the mean of this discrete probability distribution? (Round to the nearest hundredth.) Question 13 0.2 pts The table below is a discrete probability distribution in...
+ 6 The giren values are discrete. Use the the region of the normal distribution probability. The probability of continuity that at least correction and describe corresponds to the indicated 44 boys 5. for the binomial distribution with the given Vulwes for in and p. stat whether or not it is suitable to use the normal distrib as an approximation n = 20 and p=0.a
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