Is function necessarily one-to-one provide example
Consider f be the function with domain D and range R. We assume that there exists the functiong defned on R such that for any x ε D, (g of)(x) = x. Is f necessarily one-to-one? If no, provide the counter example. If yes, verify it.
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The totals of individual weights of garbage discarded by 62 households in one week have mean of 27.443 lb and standard deviation of 12.458 lb. Employ a 0.05 significance level to test the claim that population of households has a mean less than 30
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