A random sample of 1128 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1128 adults surveyed, 576 indicated that without. Complete parts (a) through (e). (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without. \( \hat{p}=\square \) (Round to three decimal places as needed.)

According to the Centers for Disease Control and Prevention, \( 9.6 \% \) of high school students currently use electronic (a) Determine the null and alternative hypotheses. \( \mathrm{H}_{0}: \) \( \mathrm{H}_{1}: \)

9. กาหนดสัมประสิทธของส่วนเป่ยงเบนมาตรฐานของข่อมล 4 ชดตังน์ ชด \( \mathrm{n}=0.62 \) ขด ข. \( =0.36 \) ขด ค. \( =0.48 \) ขด ง. \( =0.81 \) ข้อมูลชดใดมีการกระจายน้อยที่สด

According to a food website, the mean consumption of popcorn annually by Americans is 59 quarts. The market Complete parts (a) through (c) below. (a) Determine the null and alternative hypotheses that would be used to test the effectiveness of the marketing ca \( \mathrm{H}_{0}: \) \( \mathrm{H}_{1}: \) (Type integers or decimals. Do not round.)

A can of soda is labeled as containing 11 fluid ounces. The quality control manager wants (a) Determine the null and alternative hypotheses that would be used to determine if the fill (Type integers or decimals. Do not round.) (T)

\( 1 \leftarrow \) According to the Centers for Disease Control and Prevention, \( 9.6 \% \) of high school students currently use eleo (a) Determine the null and alternative hypotheses. \( H_{0}: \) H \( \mathrm{H}_{1}: \square \) (Type integers or decimals. Do not round.)