Question: How do you solve this problem- especially the z-value 10/10 Questions Suppose that the true proportion of Democrats who voted for Bernie Sanders in the

How do you solve this problem- especially the z-value

10/10 Questions Suppose that the true proportion of Democrats who voted for Bernie Sanders in the 2020 presidential primary election was 30%. If you take a random sample of 300 Democrats, what is the probability that fewer than 80 of them voted for Sanders

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