anabelleacunamu
24.05.2021 •
Mathematics
A large poll showed that 42% of adults approved of their nation's prime minister. Margot wanted to test if it had decreased, so she took a random sample of 500 adults in that nation and found that 160 of those
them approved of the prime minister.
She wants to test H, : p= 0.42 versus H, :p < 0.42, were p is the proportion of adults in this nation
who approve of the prime minister.
Assuming that the conditions for inference have been met, identify the correct test statistic for Margot's
significance test.
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