Topic
Q:
16 Suppose that a recent poll found that \( 43 \% \) of adults believe that the overall state of moral values is poor. Com/
(a) For 250 randomly selected adults, compute the mean and standard deviation of the random variable \( X \), the
The mean of X is 7.83 . (Round to the nearest whole number as needed.)
Q:
1ework
Suppose that a recent poll found that \( 43 \% \) of adults believe that the overall state of moral values is poor. Complete par
(a) For 250 randomly selected adults, compute the mean and standard deviation of the random variable \( X \), the number
The mean of X is 1075 . (Round to the nearest whole number as needed.)
Q:
Lomework
Suppose that a recent poll found that \( 43 \% \) of adults believe that the overall state of moral values is poor. Complete parts
(a) For 250 randomly selected adults, compute the mean and standard deviation of the random variable \( X \), the number of
The mean of X is
Q:
Homework
According to a report, \( 66.1 \% \) of murders are committed with a firearm.
(a) If 300 murders are randomly selected, how many would we expect to be committed with a firearm?
(b) Would it be unusual to observe 227 murders by firearm in a random sample of 300 murders? Why?
(a) We would expect \( \square \) to be committed with a firearm.
Q:
2 Homework
\( 16 \begin{array}{l}\text { According to a report, } 76.2 \% \text { of murders are committed with a firearm. } \\ \text { (a) If } 300 \text { murders are randomly selected, how many would we expect to be committed with a firearm? } \\ \text { (b) Would it be unusual to observe } 234 \text { murders by firearm in a random sample of } 300 \text { murders? Why? } \\ \text { (a) We would expect } \square \text { to be committed with a firearm. }\end{array} \) ?
Q:
According to a report, \( 66.5 \% \) of murders are committed with a firearm.
(a) If 400 murders are randomly selected, how many would we expect to be committed with a firearm?
(b) Would it be unusual to observe 287 murders by firearm in a random sample of 400 murders? Why?
(a) We would expect \( \square \) to be committed with a firearm.
Q:
2 Homework
\( \leqslant \quad \) According to a report, \( 62.5 \% \) of murders are committed with a firearm.
(a) if 200 murders are randomly selected, how many would we expect to be committed with a firearm?
(b) Would it be unusual to observe 131 murders by firearm in a random sample of 200 murders? Why?
(a) We would expect \( \square \) to be committed with a firearm.
Q:
In a survey, it was found that \( 60 \% \) of adults operate the flusher of toilets in public restrooms with their foot.
(a) If 500 adults are randomly selected, how many would we expect to fush toilets in public restrooms with their foot?
(b) Would it be unusual to observe 450 adults who flush toilets in public restrooms with their foot?
(a) We would expect \( \square \) adults to flush toilets in public restrooms with their foot.
(Type a whole number.)
Q:
In a survey, it was found that \( 72 \% \) of adults operate the flusher of toilets in public restrooms with their foot.
(a) If 300 adults are randomly selected, how many would we expect to flush toilets in public restrooms with their foot?
(b) Would it be unusual to observe 240 adults who flush toilets in public restrooms with their foot?
(a) We would expect \( \square \) adults to flush toilets in public restrooms with their foot.
(Type a whole number.)
Q:
a. Using an interval of 10 g , organise the mango fruit weight data into intervals of 10 g to form a summary of grouped data. Include the frequency
and relative frequency of the classes.
b. Draw a histogram plot of the grouped data in (a) and
c. Describe the distribution of the mango fruit weight as the yield of production
TION 2
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