Mathematics, 26.02.2020 04:34 bbyitskeke1242
CitiBank recorded the number of customers to use a downtown ATM during the noon hour on 32 consecutive workdays. 25 37 23 26 30 40 25 26 39 32 21 26 19 27 32 25 18 26 34 18 31 35 21 33 33 9 16 32 35 42 15 24 Click here for the Excel Data File (a) Use Excel or MegaStat to sort and standardize the data. What is the z-score for the following x value? (Round your answer to 2 decimal places. A negative amount should be indicated by a minus sign.) x value z-score 21 -0.81 (b) Based on the Empirical Rule, are there outliers? No Yes (c) What percent of the data fall within 1 standard deviation of the mean? Within 2 standard deviations of the mean? (Round your answers to 2 decimal places. Omit the "%" sign in your response.) Empirical Rule Percent in interval (68.26%) 22 % Percent in interval (95.44%) 31 %
Answers: 1
Mathematics, 21.06.2019 16:20
Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108
Answers: 1
Mathematics, 21.06.2019 20:00
Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.
Answers: 1
Mathematics, 22.06.2019 00:00
Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.
Answers: 2
Mathematics, 22.06.2019 00:00
Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?
Answers: 2
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