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- Explain what Cohen's d and r2 measure when calculated for a t testA medical researcher says that less than 84% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 400 adults in that country, 81% think that healthy children should be required to be vaccinated. At α=0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.In a poll conducted before the Republican presidential primary in Michigan, 134 of 420 randomly chosen likely voters indicated that they planned to vote for Mitt Romney. Suppose that an article describing the poll says that the margin of error for the statistic is 0.045. Use this information to find an interval estimate. A).274 to .364 B).319 to .364 C).274 to .319 D).319 to .374
- ind the area under the normal curve to the left of zequals=negative 1.54−1.54 plus the area under the normal curve to the right of zequals=2.542.54.Answer the following with the red hightlights. Use the second image to determine the test procedure and p-valueCompute the upper and lower limits for the following data at a 95% CI, when M1 = 20, M2 = 15, t = 2.145 (this is the t-value you would get from the table), and S(M1-M2) = 1.34.
- Suppo_se that the st_rength of a sp_ecific m_aterial has a no_rmal dis_tribution. An eng_ineer has tested 12 sam=ples of this mater=ial and obtained the average strength is 3350 psi with standard deviation 27.68 psi, respectively. Cons_tru_ct a 90% confi_denc_e interval for the mea_n st_rength of this ma_teri_alA certain basketball team makes 70% of its free throws on average. In a game where the team shoots 40 free throws. what is the approximate probabillity that the number of free throws made by the team wilbe at least 25%A medical researcher says that less than 77% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 400 adults in that country, 73% think that healthy children should be required to be vaccinated. At α=0.05, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below.
- A 6-foot sub valued at $25 is divided among five players (P1, P2, P3, P4, P5) using the last diminisher method. The players play in a fixed order, with Pl first, P2 second, and so on. I round 1, P1 makes the first cut and makes a claim on a C-pièce. For each of the remaining players, the value of the current C-piece at the time it is their turn is given in the following table: a.) What is the fair share for each player? Show your work in the space provided below. b.) What does player 2 do with the piece and why? c.) What does player 3 do with the piece and why? d.) What does player 4 do with the piece and why? e.) What does player 5 do with the piece and why? £) Who gets the piece at the end of round 2 and why is it that person? g.) What is the value of the piece?A humane society claims that less than 73% of households in a certain country own a pet. In a random sample of 700 households in that country, 490 say they own a pet. At α=0.01, is there enough evidence to support the society's claim? Complete parts (a) through (c) below.
