Last Assignment Seton Hall-Prod . My A Study Guides-2017-FAI x × Secure | https:

Question

Last Assignment Seton Hall-Prod . My A Study Guides-2017-FAI x × Secure | https://www.webassign. net/web/StudentAssignment-Responses.. a 8 Noles Ask Your A random sample of 147 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 nul and alternative hypotheses Ha, p * 0.40 O Ho: p-0.40 Ho: P-0.40 H:D

Explanation / Answer

The statistical software output for this problem is:

One sample proportion summary hypothesis test:
p : Proportion of successes
H0 : p = 0.4
HA : p 0.4

Hypothesis test results:

Hence,

z = 4.07

P - value = 0.0000

Proportion Count Total Sample Prop. Std. Err. Z-Stat P-value p 83 147 0.56462585 0.040406102 4.0742819 <0.0001

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