Appropriate testing hypothesis problem

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Reference no: EM13968857

The diameters of bolts produced by a certain machine are r.v.'s distributed as N(m, s2). In order for the bolts to be usable for the intended purpose, the s.d. s must not exceed 0.04 inch. A sample of size 16 is taken and is found that s = 0.05 inch. Formulate the appropriate testing hypothesis problem and carry out the test if a = 0.05.

Reference no: EM13968857

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