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Z table.pdf Question 6 4 pts X is a discrete random variable that represents the number...
In the following probability distribution, the random variable x represents the number of activities a...
In the following probability distribution, the random variable x represents the number of activities a parent of a 6 th- to 8th-grade student is involved in. Complete parts (a) through (f) below.x01234P(x)0.3670.1330.2090.1160.175(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ (b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x .The mean...
In the following probability distribution, the random variable x represents the number of activities a parent...
In the following probability distribution, the random variable x represents the number of activities a parent of a K to 5 th-grade student is involved in. Complete parts (a) through (f) below.x01234P(x)0.1670.1940.3440.1780.117(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ (b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x .The mean...
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...
please help with all. In the following probability distribution, the random variable x represents the number...
please help with all.
In the following probability distribution, the random variable x represents the number of activities a parent of a 6th-to 8th grade student is involved in. Complete parts (a) through (1) below. * 1 0 1 2 3 4 5 P(x) 0.269 0 206 0.224 0.239 0.062 (a) Verify that this is a discrete probability distribution This is a discrete probability distribution because the sum of the probabilities is and each probability is (6) Graph the discrete...
The discrete random variable X is the number of students that show up for Professor Smith's...
The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The table below shows the probability distribution for X. What is the expected value ElX) for this distribution? 16 X 123 Total P(x) 48 30 20.1 1.00 Multiple Choice 1.2 10 c Prey 16 of19 İİ Next pe here to search
6. In the accompanying table, the random variable x represents the number of televisions in a...
6. In the accompanying table, the random variable x represents the number of televisions in a household in a certain country. Determine whether or not the table is a probability distribution. If it is a probability distribution, find its mean and standard deviation. x P(x) 0 0.04 1 0.11 2 0.32 3 0.25 4 0.15 5 0.13 If the table is a probability distribution, what is its mean? Select the correct choice below and fill in any answer boxes within...
# and #3 1) Determine whether the random variable described is discrete or continuous. The number...
# and #3
1) Determine whether the random variable described is discrete or continuous. The number of minutes you must wait in line at the grocery store A) continuous B) discrete 2) Determine whether the random variable described is discrete or continuous The total value of a set of coins A) continuous B) discrete 3) Determine whether the table represents a discrete probability distribution. 3 0.3 4 0.05 5 0.45 6 0.2 A) Yes B)No 4) Determine whether the table...
Question 10 2 pts The probabilities of the discrete random variable X are taking values shown...
Question 10 2 pts The probabilities of the discrete random variable X are taking values shown in the table: X 2 4 6 8 10 PIX=x) 0.18 0.31 0.34 0.10 0.07 What is the standard deviation of the distribution? (Round your answer to the third decimal place) O 2.214 0.200 6.000 O 0.121 Not enough information to answer the question O 10.000 None of the given numerical values is correct 03.162
In the following probability distribution, the random variable represents the number of activities a part of...
In the following probability distribution, the random variable represents the number of activities a part of a toth grade students involved Complete parte (a) through inbow PM) 0.4470.1310279 0.0790054 (a) Verity that this is a discrete probability distribution This is a discrete probability distribution because the sum of the probabiliosis (b) Graph the discrete probability distribution. Choose the correct grach below. and each probability between 0 and 1, indusve 05 (c) Compute and interpret the mean of the random variable...
Discrete Random Variable. The random variable x has the discrete probability distribution shown here: x -2...
Discrete Random Variable. The random variable x has the discrete probability distribution shown here: x -2 -1 0 1 2 p(x) 0.1 0.15 0.4 0.3 0.05 Find P(-1<=x<=1) Find P(x<2) Find the expected value (mean) of this discrete random variable. Find the variance of this discrete random variable
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...
please help with all.
In the following probability distribution, the random variable x represents the number of activities a parent of a 6th-to 8th grade student is involved in. Complete parts (a) through (1) below. * 1 0 1 2 3 4 5 P(x) 0.269 0 206 0.224 0.239 0.062 (a) Verify that this is a discrete probability distribution This is a discrete probability distribution because the sum of the probabilities is and each probability is (6) Graph the discrete...
The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The table below shows the probability distribution for X. What is the expected value ElX) for this distribution? 16 X 123 Total P(x) 48 30 20.1 1.00 Multiple Choice 1.2 10 c Prey 16 of19 İİ Next pe here to search
# and #3
1) Determine whether the random variable described is discrete or continuous. The number of minutes you must wait in line at the grocery store A) continuous B) discrete 2) Determine whether the random variable described is discrete or continuous The total value of a set of coins A) continuous B) discrete 3) Determine whether the table represents a discrete probability distribution. 3 0.3 4 0.05 5 0.45 6 0.2 A) Yes B)No 4) Determine whether the table...
Question 10 2 pts The probabilities of the discrete random variable X are taking values shown in the table: X 2 4 6 8 10 PIX=x) 0.18 0.31 0.34 0.10 0.07 What is the standard deviation of the distribution? (Round your answer to the third decimal place) O 2.214 0.200 6.000 O 0.121 Not enough information to answer the question O 10.000 None of the given numerical values is correct 03.162
In the following probability distribution, the random variable represents the number of activities a part of a toth grade students involved Complete parte (a) through inbow PM) 0.4470.1310279 0.0790054 (a) Verity that this is a discrete probability distribution This is a discrete probability distribution because the sum of the probabiliosis (b) Graph the discrete probability distribution. Choose the correct grach below. and each probability between 0 and 1, indusve 05 (c) Compute and interpret the mean of the random variable...
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