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The Mars candy company claims that 20% of all milk chocolate M&Ms are orange.
1. In a sample of 80 M&Ms -> the probability that more than 23% of them will be orange?
2. 20% M&Ms that are orange are not given, but instead attempted to estimate this parameter through a sample of 150 M&Ms, where 19% of them are orange.(95% confidence level.) -> the margin of error on our estimate of 19%?
the national science foundation nfs condust its survey of earned doctorates sed of all individuals receiving research
Assuming that the standard deviation of stock price movements that day was 2 points and assuming stock price movements were normally distributed.
Construct a 95% confidence interval on the population mean for the following sample data set:
Given a random sample of size n from a normal population with μ = 0, use the Ney man-Pearson lemma to construct the most powerful critical region of size α to test the null hypothesis σ = σ0 against the alternative σ = σ1 > σ0.
If four containers are randomly selected what is the probability they are all underfilled.
the u.s. census bureau collects and analyzes data on numerous aspects of american life by state including the
multiple myeloma or blood plasma cancer is characterized by increased blood vessel formulation in the bone marrow that
Suppose that, on average, 3% of the purchasers of airline tickets do not appear for the departure of their fight. Determine how many tickets should be sold.
The US census collects data on race and ethnicity of Americans, among many other variables. The histogram below shows the distribution.
Write a computer program that implements betting system. As stated above, your program must decide whether to bet on a particular outcome before that outcome is determined.
let x have the probability density functionfx2x 0 lt x lt 1 and 0 otherwisecompute the probability that x is at least
Find any restrictions on the constants ,a , b ,and needed for this to be a valid joint CDF. - Find the marginal CDFs FX(Y ) and FY(Y )under the restrictions found in part (a).
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