A survey of 410 non - fatal accidents showed that 191 involved the use of acell phone. Construct a 98% confidence interval for the proportion of fatal accidents that involved the use of a cell phone. Four decimals
Added by Douglas R.
Step 1
This is done by dividing the number of accidents involving cell phone use (191) by the total number of non-fatal accidents (410). Sample proportion (p-hat) = 191 / 410 = 0.4659 Show more…
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