Andom variable indicating
Flip a coin 3 times in a row. Let x be a random variable indicating how many times heads shows up.
a) List all 8 ways this experiment can occur.
b) What are the possible values of X?
c) Write a probability distribution for X
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Additioonal Feat! Dexter and Mandark team up in order toprevent the asteroids from destroying Earth. They start thisplanet saving feat by weighing a gelatin capsule (0.117g) Next they add pieces of aluminum/zinc alloy to the capsuleand weigh the c
When 15.12 mL of 0.1194M NaOH is added to 25.00 mL of 0.1246M HX (an unknown weak acid), the resulting pH is 5.9. What is the Ka of the unknown acid?
A hydraulic press consists of two vertical cylinders of circular cross-sectional areas 6cm2 and 120cm2 that are joined at the base. The press contains oil of relative density 0.93, and the friction between the pistons and the cylinder walls is neg
In the model of heptane where the chain is fully extended andanother model been its mirror image . Are these two mirror imagessuperimposable?
What velocity and heading will the swimmer have to use to get 50 meters upstream from directly across the river in 19.4 seconds?
An ionic compound forms when calcium (Z = 20) reacts withiodine (Z = 53). If a sample of the compound contains 1.4x 1019 calcium ions, how many iodide ions does it contain?
A coin is biased so that when flipped it lands heads 75% of the time and lands tails 25% of the time. Flip this coin 8 times. What is the probability. (hint:binomial probability)
Your stomach is a chemical reactor. When you consumea fast food $0.99 hamburger in about a minute, it acts like aninstantaneous input of 325 g of food entering the stomach.
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