In a random sample of n = 500 drivers, 115 individuals say that they never wear a seatbelt when driving. (a) Give a numerical value of p = sample proportion that never wears a seatbelt when driving. (b) Calculate the standard error, s.e., of p. (Give the answer to four decimal places.) s.e.(p) = (c) In a different survey of = 1000 drivers, 230 people say they never wear a seatbelt when driving. Give numerical values for p and the standard error, s.e., of p (Give the answer to four deĉimal places.) s.e.(p)=

MATLAB: An Introduction with Applications
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In a random sample of n = 500 drivers, 115 individuals say that they never wear a seatbelt when driving.
(a) Give a numerical value of p = sample proportion that never wears a seatbelt when driving.
p =
(b) Calculate the standard error, s.e., of p. (Give the answer to four decimal places.)
s.e.(p) =
(c) In a different survey of = 1000 drivers, 230 people say they never wear a seatbelt when driving. Give numerical values for p and the standard error, s.e., of p.
(Give the answer to four deĉimal places.)
s.e.(p)=
You may need to use the appropriate table in the Appendix of Tables to answer this question.
Transcribed Image Text:In a random sample of n = 500 drivers, 115 individuals say that they never wear a seatbelt when driving. (a) Give a numerical value of p = sample proportion that never wears a seatbelt when driving. p = (b) Calculate the standard error, s.e., of p. (Give the answer to four decimal places.) s.e.(p) = (c) In a different survey of = 1000 drivers, 230 people say they never wear a seatbelt when driving. Give numerical values for p and the standard error, s.e., of p. (Give the answer to four deĉimal places.) s.e.(p)= You may need to use the appropriate table in the Appendix of Tables to answer this question.
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