A survey of 2294 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 477 have donated blood in the past two years. Compl (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. \( \hat{p}=\square \) (Round to three decimal places as needed.)

According to a food website, the mean consumption of popcorn annually by Americans is 62 quarts. The marketing divisi Complete parts (a) through (c) below. \( \mathrm{H}_{0}: \square \) \( \mathrm{H}_{1}: \square \mathrm{V} \) - Determine the null and alternative hypotheses that would be used to test the effectiveness of the marketing campaign.

Fra i ragazzi di una classe, 15 hanno passato alcuni giorni di vacanza fuori casa, e precisamente: 11 al mare. 6 in montagna. Quanti sono stati sia al mare sia in montagna? Quanti hanno scelto una sola meta? \( |2: 11| \)

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.)

\( 10,6,8,9,9,6 \) बारम्बारता भन्ना बारम्बारता तालिए