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The 30N uniform rectangular plate is supported by a pin at A and cable BC attached at corner B. A 65N weight hangs from corner D .a) Find the tension in the cable. b) Find the force exerted on the plate by the pin at A.
At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the p-value.
A machine has three components working independently. The probability that Component A fails is 0.1, the probability that component B fails is 0.2, and the probability that component C fails is 0.3.
HI6007 SPSS - Do a frequency table, histogram, normal Q - Q and the de-trended normal Q-Q for each one of the 11 variables - different correlations between the any pairs of variables
The Social Studies teacher received the following scores from her students: 100, 34, 88, 75, 30, 90. The range in this data set is calculated by subtracting the lowest value from the highest value.
An Electric Co. Operates a fleet of trucks that provide electrical service to the construction industry. Monthly mean maintenance cost has been $75 per truck.
Random sample of 150 viewers last night revealed 53 watched news on WNAE, 64 watched on WRRN, and 33 on WSPD. At .05 significance level, is there a difference in proportion of viewers watching three channels?
You are responsible for planning the parking needed for a new 256-unit apartment complex, and you're told to base the needs on the statistic "average number of vehicles per household is 1.7."
according to a recent survey about 33 of americans polled said that they would likely purchase reusable cloth bags for
A sample of seed packets was selected, and their weights in grams were recorded as follows: 15.1, 15.6, 15.8, 15.1, 15.5, 15.9, 15.5, 15.2. Determine a 90% confidence interval for the mean weight of seeds in all packets.
a potential investor conducted a 144 day survey in each theater in order to determine the difference between the
in february 2008 an organization surveyed 1040 adults aged 18 and older and found that 538 believed they would not have
a semiconductor company wants to estimate the fraction of defective computer chips it produces. suppose that a random
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