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Mathematics, 09.04.2020 19:42 destinyleisantos
A survey of recent first-time home buyers found that 45% of them plan to upgrade to a bigger house within 5 years. You randomly select 30 recent first-time home buyers and ask them whether they plan to upgrade to a bigger home within 5 years.
Use the normal approximation and the mean and standard deviation you found above to find the probability that more than 20 of the recent first-time home buyers plan to upgrade to a bigger home within 5 years. Leave your answer as a decimal with 4 decimal places.
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