Calculus and Above

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The relative frequency histogram represents the length of
The relative frequency histogram represents the length of phone calls on​ George's cell phone during the month of September. Determine whether or not the histogram indicates that a normal distribution… read more
Sandhya
Master's Degree
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The following data represent the number of games played in
The following data represent the number of games played in each series of an annual tournament from 19211921 to 20012001. Complete parts​ (a) through​ (d) below. x​ (games played) 4 5 6 7 Frequency 19… read more
Tom Piscaer
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The relative frequency histogram represents the length of
The relative frequency histogram represents the length of phone calls on​ George's cell phone during the month of September. Determine whether or not the histogram indicates that a normal distribution… read more
Kofi
Ph.D.
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The graph of the discrete probability to the right
The graph of the discrete probability to the right represents the number of live births by a mother 45 to 49 years old who had a live birth in 2015. Complete parts​ (a) through​ (d) below. 0 1 2 3 4 5… read more
Kofi
Ph.D.
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I have a statistic question, based on marginal probability.
I have a statistic question, based on marginal probability.Consider the random variable X and its probabilty density function: xi -4 -2 0 1 3 f(xi) 0.2 0.3 0.1 0.2 0.2 A second random variable is give… read more
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To test Upper H 0​: muequals50 versus Upper H 1​: muless
To test Upper H 0​: muequals50 versus Upper H 1​: muless than50​, a random sample of size nequals26 is obtained from a population that is known to be normally distributed. Complete parts​ (a) through​… read more
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Let X have the following probability distribution: k Pr(X =
Let X have the following probability distribution: k Pr(X = k) 0 0.2 1 0.1 2 0.4 3 0.3 Determine the probability distribution of ( x - 1)^2… read more
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Suppose X is a discrete random variable with the following
suppose X is a discrete random variable with the following probability distribution: X P(X) 2 0.2 3 0.3 4 0.4 5 0.1 what is the expected value of X?… read more
Sandhya
Master's Degree
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Consider the following data: x 4 4 5 5 6 6 7 7 8 8 P(X=x)
Consider the following data: x 4 4 5 5 6 6 7 7 8 8 P(X=x) P(X=x) 0.3 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.4 0.4 Copy Data Step 5 of 5 : Find the value of P(X≥5) P(X≥5) . Round your answer to one decimal plac… read more
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Do you know anything about math statistics, I am working in
I am working in my, MyStaLab and I have a post test with 14 teen questions which I do not know about and this is my last test to take. … read more
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Bachelor's Degree
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In a survey of 2596 ​adults, 1400 say they have started
In a survey of 2596 ​adults, 1400 say they have started paying bills online in the last year. Construct a​ 99% confidence interval for the population proportion. Interpret the results. … read more
Ryan
Bachelor's Degree
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1. If A and are independent events with P(A) = 0.4 and P()
1. If A and B are independent events with P(A) = 0.4 and P(B) = 0.6, then P(A l B) = • 0.76 • 1.00 • 0.24 • 0.2 • None of the above 2. If A and B are independent events with P(A) = 0.2 and P(B) = 0.6,… read more
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Bachelor's Degree
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cycle time (min) Detergent Brand 18 Min 20 Min 22 Min 24
cycle time (min) Detergent Brand 18 Min 20 Min 22 Min 24 Min A 0.13 0.12 0.19 0.15 0.11 0.11 0.17 0.18 B 0.14 0.15 0.18 0.2 0.1 0.14 0.17 0.18 C 0.16 0.15 0.18 0.19 0.17 0.14 0.19 0.21 D 0.09 0.12 0.1… read more
Mr. Gregory White
Master's Degree
Master's Degree
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Find the standardized variable Z if X has Mean 48 and standard
Find the standardized variable Z if X has Mean 48 and standard deviation 9. Your answer: Z = (X - ) / Open Show Work Find the standardized variable Z if X has Mean 157 and variance 36. Your answer: Z … read more
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Teacher
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7. In a forest, the probability that a randomly sampled tree
7. In a forest, the probability that a randomly sampled tree is oak is 0.1, pine 0.3, maple 0.35 and 0.25 is the probability that a randomly sampled tree is of any other type. If 8 trees are sampled r… read more
Chirag
Master's Degree
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I.a. Suppose we want to determine the (binomial) probability
I. a. Suppose we want to determine the (binomial) probability (p) of getting 0 (zero) heads in 5 flips of a 2-sided coin. Using Table 2 in Appendix B of the text, what values of n, x, and p would we u… read more
dhouse1940
Master's Degree
Master's Degree
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1. (TCO 4) How many ways can 15 girls be chosen to form a baseball
1. (TCO 4) How many ways can 15 girls be chosen to form a baseball team of 9 players? (Points : 3) 5005 24 1,816,214,400 135 2. (TCO 4) Which of the following cannot be a probability? (Points : 3) 1 8… read more
Sandhya
Master's Degree
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Yes or no? If X = {1, 2, 3, 4, 5, 6} and P(1) = 0.3, P(2)
Yes or no? If X = {1, 2, 3, 4, 5, 6} and P(1) = 0.3, P(2) = 0.2, P(3) = 0.1, P(4) = 0.1, P(5) = 0.1, and P(6) = 0.3, can distribution of the random variable X be considered a probability distribution?… read more
Scott
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