Mathematics, 12.08.2020 08:01 brisacruz013
The length of country & western songs has mean 151 seconds and standard deviation 30 seconds. Determine the probability (as percent) that a random selection of 20 songs will have mean length of less than 149.75 seconds.
Answers: 3
Mathematics, 21.06.2019 17:10
The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.
Answers: 1
Mathematics, 21.06.2019 19:00
In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.
Answers: 1
Mathematics, 21.06.2019 21:00
Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?
Answers: 1
Mathematics, 21.06.2019 21:10
If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)
Answers: 1
The length of country & western songs has mean 151 seconds and standard deviation 30 seconds. De...
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