Exhibit 13-1A researcher believes that women today weigh les…
Exhibit 13-1A researcher believes that women today weigh less than in previous years. To investigate this belief, he randomly samples 41 adult women and records their weights. The scores have a mean of 111 lbs. and a standard deviation of 12.4. A local census taken several years ago shows the mean weight of adult women was 115 lbs.Refer to Exhibit 13-1. The obtained value of the appropriate statistic for testing H0 is ____.
Read DetailsThe pin reaction shown below resist a total load of 2 kN. I…
The pin reaction shown below resist a total load of 2 kN. If allowable bearing stress on the black, outer blocks is 10 MPa, what is the minimum pin diameter? Provide your answer in mm, but do not include units in your submittal.
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Given the timber shown in Question 4. which is subject to axial force and resisted by a bolt in double-shear, If allowable block-shear is limited to 250 psi, what is the minimum end-distance? In other words, as shown the hole is too close to the end. How far back should it be? Provide your answer in inches, but do not include units in your answer.
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