Consider the given discrete probability distribution. Find the probability that x eq x P(x ) 3 4 7 8 0.14 0.02 0.2 2 0.38 1.52 2.48 0.62
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Given that
Probability distribution table.
X | 3 | 4 | 7 | 8 |
P(x) | 0.14 | a=0.62 | 0.02 | 0.22 |
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- X P(X) 0.1 0.1 2 0.25 3 0.55 Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal placesA sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. X P(x) - 0.095 1 0.348 2 0.391 3 0.166 A. Yes, the table shows a probability distribution. B. No, the sum of all the probabilities is not equal to 1. C. No, the random variable x's number values are not associated with probabilities. D. No, not every probability is between 0 and 1 inclusive. E. No, the random variable x is categorical instead of numerical. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. adult(s) (Round to one decimal place as needed.) B. The table does not show a…find the following values, A B C D E F G H I AND J
- IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X = IQ of an individual. + Part (a) O Part (b) Part (c) Mensa is an organization whose members have the top 2% of all IQs. Find the minimum IQ needed to qualify for the Mensa organization. Write the probability statement. P(X > x) = |0.98Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. P(x) D 0.026 X 0.163 0.311 3 0.311 4 0.163 0.026 Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, the sum of all the probabilities is not equal to 1. C. No, the random variable x is categorical instead of numerical. D. No, the random variable x's number values are not associated with probabilities. E. No, not every probability is between 0 and 1 inclusive. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. child(ren) (Round…Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are -2, 0, 4, 5, and 6. Value x of X -2 0 4 6 P(x = x ) 0.20 0.12 0.21
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- The table defines a discrete probability distribution. Find the expected value of the distribution. x 0 1 2 3 Pr(x) 3/16 5/16 1/16 7/16Compute P(X) using the binomial probability formula. Then determine whether the normal distribution can be used to estimate this probability. If so, approximate P(X) using the normal distribution and compare the result with the exact probability. n=51 p=.03 x=20Determine the required value of the missing probability to make the distribution a discrete probability distribution. P(x) 0.32 0.33 0.08 P(4) = (Type an integer or a decimal.) X345