Find standard deviation for expected number of good battery
In a group of 15 batteries, 6 are dead. You chose 2 at random. The expected number of good batteries is 1.2. What is the standard deviation?
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Assume that Charlotte has two stocks: Disney (D) and Amazon (A). For each of these stocks, the possible percent returns are {0%, 5%, 10%, 15%}. The joint probability of P(d, a) = 0.0625 for all values of D and A. a) Construct a table with joint pr
Find the probability that the student makes at least a "B" assuming that in order to make at least a "C" the student must score at least 70%.
Nutritional Foods reports merchandise inventory at the lower of the cost or market. Prior to releasing its financial statements for the year ended March 31,2015, Nutritional's preliminary income statement, before the year end adjustments.
A coin is thrown until a head occurs and the number X of tosses recorded. After repeating the experiment 256 times, we obtained the following results. Test the hypothesis at, the 0.05 level of significance that the observed distribution of X may b
Desi of New York sells its products to customers in the United States and the United Kingdom. On December 16, 2011, Desi sold merchandise on credit to Bronson Ltd. of London at a price of 17,000 pounds.
Monetary Exchange Rate Statistics: The type of statistic I feel most affected by are currency exchange rates because they directly affect the cost of traveling abroad. Which, is something I like to do as often as possible.
Suppose the probability of a customer purchasing 0, 1, 0r 2 books at a bookstore are 0.2, 0.2, and 0.6 respectively. What is the standard deviation of this customers book purchase?
A kinesiologist would like to compare the left hand and right hand gripping strengths of left-handed individuals. A scale is placed on a shelf and gripping strength will be measured by how tightly an individual is able to squeeze the scale with on
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What types of unconscious or implicit bias might be present? How could they shape people's actions, decisions, or access to resources?
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In this week's video, what stood out the most to me was how clearly research separates what "looks helpful" from what actually works.
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Please provide a response with APA citations and references to "When we talk about stigma related to people with psychological disorders
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