Question

A survey asked, "Do you currently have tattoos on your body?" Of the 1239 males surveyed, 179 responded that they had at least one tattoo. Of the 1057 females surveyed, 141 responded that they had at least one tattoo. Test if the male population proportion is greater in having tattoos at a 95% confidence level.

-What is the test statistics?

-What is the critical value?

-What is the left boundary of the 95% C.I. of the group proportion difference?

Answer #1

A survey asked, "Do you currently have tattoos on your body?"
Of the 1239 males surveyed, 179 responded that they had at least
one tattoo. Of the 1057 females surveyed, 141 responded that they
had at least one tattoo. Test if the male population proportion is
greater in having tattoos at a 95% confidence level.
What is the test statistics?
What is the critical value?

A survey asked, "How many tattoos do you currently have on
your body?" Of the 1216 males surveyed, 179 responded that they
had at least one tattoo. Of the 1030 females surveyed, 139
responded that they had at least one tattoo. Construct a 99%
confidence interval to judge whether the proportion of males that
have at least one tattoo differs significantly from the proportion
of females that have at least one tattoo. Interpret the
interval.
Let p1 represent the proportion...

A survey asked, "How many tattoos do you currently have on
your body?" Of the 1206 males surveyed, 198 responded that they
had at least one tattoo. Of the 1046 females surveyed, 127
responded that they had at least one tattoo. Construct a 95%
confidence interval to judge whether the proportion of males that
have at least one tattoo differs significantly from the proportion
of females that have at least one tattoo. Interpret the
interval.
Let p 1p1 represent the...

A survey asked, "How many tattoos do you currently have on
your body?" Of the 1209 males surveyed, 185 responded that they
had at least one tattoo. Of the 1009 females surveyed, 129
responded that they had at least one tattoo. Construct a 95%
confidence interval to judge whether the proportion of males that
have at least one tattoo differs significantly from the proportion
of females that have at least one tattoo. Interpret the
interval.

A survey asked, "How many tattoos do you currently have on
your body?" Of the 1213 males surveyed, 191 responded that they
had at least one tattoo. Of the 1046 females surveyed, 133
responded that they had at least one tattoo. Construct a 90%
confidence interval to judge whether the proportion of males that
have at least one tattoo differs significantly from the proportion
of females that have at least one tattoo. Interpret the
interval.
Let p1 represent the proportion...

A survey asked, "How many tattoos do you currently have on
your body?" Of the 1210 males surveyed, 185 responded that they
had at least one tattoo. Of the 1075 females surveyed, 135
responded that they had at least one tattoo. Construct a 99%
confidence interval to judge whether the proportion of males that
have at least one tattoo differs significantly from the proportion
of females that have at least one tattoo. Interpret the
interval.Let p1 represent the proportion of...

A survey asked, "How many tattoos do you currently have on
your body?" Of the 1229 males surveyed, 182 responded that they
had at least one tattoo. Of the 1020 females surveyed, 137
responded that they had at least one tattoo. Construct a 90%
confidence interval to judge whether the proportion of males that
have at least one tattoo differs significantly from the proportion
of females that have at least one tattoo. Interpret the interval.
Let p1 represent the proportion...

A survey asked, "How many tattoos do you currently have on
your body?" Of the
12271227
males surveyed,
190190
responded that they had at least one tattoo. Of the
10601060
females surveyed,
129129
responded that they had at least one tattoo. Construct a
9999%
confidence interval to judge whether the proportion of males
that have at least one tattoo differs significantly from the
proportion of females that have at least one tattoo. Interpret the
interval.
Let
p 1p1
represent the...

A survey asked, "How many tattoos do you currently have on
your body?" Of the 1210 males surveyed,184 responded that they
had at least one tattoo. Of the 1039
females surveyed,138 responded that they had at least one
tattoo. Construct a 90%
confidence interval to judge whether the proportion of males
that have at least one tattoo differs significantly from the
proportion of females that have at least one tattoo. Interpret the
interval.
Let p1 represent the proportion of males...

A survey asked, "How many tattoos do you currently have on
your body?" Of the 1213 males surveyed, 179 responded that they
had at least one tattoo. Of the 1031 females surveyed, 148
responded that they had at least one tattoo. Construct a 99%
confidence interval to judge whether the proportion of males that
have at least one tattoo differs significantly from the proportion
of females that have at least one tattoo. Interpret the
interval.
Let p1 represent the proportion...

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