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Consider a system of water flowing through valves from A to B. (See the accompanying diagram.) Valves 1, 2, and 3 operate independently, and each correctly opens on signal with probability .8. Find the probability distribution for Y , the number of open paths from A to B after the signal is given. (Note that Y can take on the values 0, 1, and 2.)
You just finished getting your data, made sure there were no fliers and the data was correct You created a mean and standard deviation and ran your Z test at the 0.05 alpha Your decision rule is 1.645 and your Z test statistic ( step 3 ) is 1.647
a quality control technician is checking the weights of a product. she takes a random sample of 8 units and weighs each
Bismuth (a) and cadmium (b) form a eutectic at 144°C and xa 5 0.45. They are also completely immiscible in the solid phase. The melting points for bismuth and cadmium are 271°C and 321°C, respectively. The enthalpies of fusion of these elements a..
Solve the linear programming model by using the computer. Identify the sensitivity ranges for the objective function coefficients and explain what the upper and lower limits are.
question two builders a and b are competing for a contract to construct a new office block. each can bid either
1. What are the uses of the multivariate normal distribution? Why is it needed? 2. How many discriminant functions may be found signi?cant in classifying an observation into one of four groups?
the national high school sports database reports that players of lacrosse average 55 goals per season. the standard
here are the golf scores of 12 members of a college womens golf team in two rounds of tournament play. a golf score is
Conduct a test for checking that the proportions of women and men that liked commercial A are the same versus the two-sided alternative at the 5% level.
q1. with random sampling there is homogeneity within a subgroup or stratum.a. judgmental b. simple c. clusterd.
you wish to test if there is a difference in the average time male and female students spend studying for a business
a university investigation was conducted to determine whether women and men complete medical school in significantly
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