Question 8 of 15 (1 point) 1.3 Section Exercise 43 Solve for the indicated variable. w...
Question 8 of 8 (1 point) 5.3 Section Exercise 26 (calc) In a survey, 63% of Americans said they own an answering machine. If 15 Americans are selected at random, find the probability that exactly 11 own an answering machine. Round the answer to four decimal places. Source: USA Snapshot, USA TODAY. P(11) =
solve the formula for the indicated variable, correct form is: indicated variable s F G m1m2 for 12) P= for A 13) B for R 14) Fa Ho I 2 16) BoIN for N 17 Fe for r HoI N 15) F= 2k 11 12 for 1 o for N17) F0 for r 2 F=lmv2 2 for v 19) A=4Lw + 2Lh + 6wh for w 18)
Question 11 of 31 (1 point) 9.4 Section Exercise 15 (table) A recent random survey of 105 individuals in Michigan found that 75 drove to work alone. A similar survey of 120 commuters in New York found that 64 drivers drove alone to work. Find the 95% confidence interval for the difference in proportions. Use ê, for the proportion of Michigan drivers who drive alone to work. Round your answers to three decimal places. <P1-P2 Question 12 of 31 (1...
Question 13 of 19 (1 point) 6.1 Section Exercise 43 (calo Find the z value that corresponds to the given area in the figure below. Use a graphing calculator and round the answer to four decimal places. 0.1230 Z Z=
Question 9 (1 point) Solve the circuit below by finding all of the current, resistance, and potential difference values and entering them into the table. (SGMXFB] R, = 60 11 = R2 = 60 12 = R = 120 V1 = V2 = V3 = VI = 60 V R1 = 122 R2 = 62 R3 = 6.2 RT = V = 60V W = = IT =
Question 3 of 8 (1 point) 6.3 Section Exercise 9-14 (ca Below, n is the sample size, p is the population proportion and is the sample proportion. Use the Central Limit Theorem and the Tl-84 calculator to find the probability. Round the answer to four decimal places. n=111 p = 0.54 P 0.50)- in apop-Up Question 4 of 8 (1 point) View problem | A poll agency reports that 64% of teenagers aged 12-17 own smartphones. A random sample of...
Question 13 of 18 (1 point) Attempt 1 of Unlimited 7.3 Section Exercise 15-18 Use the given data to construct a 98% confidence interval for the population proportion p. x = 47, n=71 Round the answer to at least three decimal places. The confidence interval is
1 point) Suppose X is a normally distributed random variable with H9 and ơ 1.3. Find each of the following probabilities: (a) P(12 < X < 15) (b) P(6.1 K X K 16.7)- (c) P(11.1 K X K 16.7)- (d) P(X 2 11.5)- (e) P(X s 16.7)-
15. Solve for the indicated variable: S-V+R? for k: Oh=-52 + 2 + pod and h = √5 +2 12 업 and = w h=-VS-, and ) = 152 - 2 2 = - and h =
Question 1 Question 6 of 8 (1 point) View problem in a pop 11.2 Section Exercise 19a,b,c,d,e (critical value up table A medical researcher wishes to determine if the type of vitamin pills taken is related to the age of the person. The data are shown. Ata = 0.01, is the type of vitamin related to the age of the person taking the vitamin? Use the critical value method with tables. 20-39 40-59 60-over Liquid Tablet Gummy 8 17 5...