Mathematics, 24.10.2019 17:43 que81hhh

Arandom sample of 146 recent donations at a certain blood bank reveals that 83 were type a blood. does this suggest that the actual percentage of type a donations differs from 40%, the percentage of the population having type a blood? carry out a test of the appropriate hypotheses using a significance level of 0.01. state the appropriate null and alternative hypotheses.

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