You are performing a one-tailed significance test on a proportion and you calculate z-value of 2.43. The p-value is a. 0.00375 b. 0.0075 c. 0.0150 d. 0.9925 e. 0.9963

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A: From the provided information, The probability distribution table is as follow: X P (X) 0 0.130…

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A: X~N(μ=4.00,σ=0.02)

Q: If the percentage of scores falling between the mean and a z score of +0.50 is 19.15%, then what is…

A: Given: The percentage of scores falling between the mean and a z score of +0.50 is 19.15%.

Q: Q2. A new purification unit is installed in a chemical process. Before its installation, a random…

A:

Q: he acres of living area (x) and the selling price in millions of dollars (y) for 5 real estate…

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Q: 6. Given: N(78,2, 25.6) The x is at the 59.0 percentile, meaning 0.3900 to left of x. Find the…

A: Here, µ = 78.2 and σ = 25.6

Q: None

A: Part 2:Explanation:Step 1: Given that the 70th sample percentile is 10, this means that 70% of the…

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A: Solution : Given : - We want to test a claim that the mean house price in CA is                  not…

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A:

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Q: Current Attempt in Progress X Incorrect. The following data give the speeds of 13 cars (in mph)…

A: Solution

Q: (Calculation of Percentile of Data Sample) Find π15% of the following observations {−1200, −980,…

A: Data given  −1200, −980, −870, −525, −371, −108, 0, 15, 210, 453, 700, 1120 P15=?

Q: 15)  For Decimal answer write to two decimal places. For example 25.50, 25.25. Don't write 25.5…

A: Obtain the percentile rank for X=2.5. The percentile rank for X=2.5 is obtained below as follows :…

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A: Denote μ as the true mean speed of top roller coaster.

Q: Suppose X is distributed according to a normal distribution with mean 120 and variance 81. Find the…

A: The formula for Z score is, Z=x-μσHere μ is the mean and σ is the standard deviation.

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Q: Compute a z score using the formula.

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A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

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A: As seen above, the interquartile range is built upon the calculation of other statistics. Before…

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A: From the provided information,

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.