Consider the following probability distribution:P(X)10.1?30.240.3What is the mean of the probability distribution?O 2.0O 2.5O 2.7O 2.92.

Introduction: Probability distribution: The probability mass function of any discrete random…

Answered: Consider the following probability…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Example 7 : A Production manager at a tyre manufacturing plant has inspected the number of defective tyres in twenty random samples with twentry observations each. Following are the defective tyres found in each sample. Sample No. No. of Defective Number of Fraction tyres observations defective sampled 1 3 20 0.15 2 20 0.10 3 1 20 0.05 4 20 0.10 5 1 20 0.05 6. 3 20 0.15 7 3 20 0.15 8. 20 0.10 9. 1 20 0.05 10 20 0.10 11 3 20 0.15 12 20 0.10 13 2 20 0.10 14 1 20 0.05 15 1 20 0.05 16 2 20 0.10 17 4 20 0.20 18 3 20 0.15 19 1 20 0.15 20 1 20 0.05 Total 40 400 Construct a 3 sigma control chart with this information.
Consider the following probability distribution: P(X) 1 0.1 ? 0.2 4 0.3 What must be the value of P(2) if the distribution is valid? O 0.5 O 0.4 O 0.2 O 0.6 3.
Find the mean of the following probability distribution? xx P(x)P(x) 0 0.1427 1 0.2538 2 0.0182 3 0.3815 4 0.2038 (Round the answer to 1 decimal place)
Find the mean of the following probability distribution? P(a) 0 0.1849 1 0.1895 2 0.0147 3 0.3983 4 0.2125 mean- (report answer rounded to one decimal place) Submit Question
Does the following table represent a valid discrete probability distribution? 1 2 4 5 P(X= x) 0.11 0.06 0.18 0.06 0.59 3.
It is possible to score higher than 1600 on the combined mathematics and reading portions of the SAT, but scores 1600 and above are reported as 1600. Suppose the distribution of SAT scores (combining mathematics and reading) was approximately Normal with mean of 1017 and standard deviation of 217. What proportion of SAT scores for the combined portions were reported as 1600? That is, what proportion of SAT scores were actually higher than 1600? (Enter an answer rounded to four decimal places.)
None
Let X = {Email, In Person, Instant Message, Text Message}; P(Email) = 0.06 P(In Person) = 0.55 P(Instant Message) = 0.24 P(Text Message) = 0.15 Is this model a probability distribution? A. Yes. B. No. C. Maybe.
The following table lists certain values of x and their probabilities. Verify whether or not it represents a valid probability distribution. P(x) 0 0.31 1 0.30 2 0.19 3 0.16 The table a valid probability distribution.
Consider the following probability distribution. Find the probability that x=2. x. 0 1 2 3 4 5 p(x). .12 .25 ? .18 .14 .11
Calculate the probability of 3 or 4 based on the following probability distribution. 1 4 p(x) 0.2 0.1 0.3 0.8 O0.6 O 0.7 er
The table below shows the probability distribution of the random variable X. a. Find the mean of the random variable. b. Obtain the standard deviation o of the random variable. 1 P(X =x) 0.4 0.1 0.5 a. Find the mean of the random variable. (Round to two decimal places as needed.) b. Obtain the standard deviation o of the random variable. O = (Round to two decimal places as needed.) Enter your answer in each of the answer boxes. ? Le

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Consider the following probability distribution: P(X) 1 0.1 2 ? 3 0.2 4 0.3 What is the mean of the probability distribution? O 2.0 O 2.5 O 2.7 O 2.9