raindrops beating on the sidewalk blended in with the occasional whoosh of the breeze through the treetops. Everything was bleak‚ gray‚ and dreary- even the atmosphere. People dressed in heavy coats‚ and bearing large umbrellas walking quickly with purpose‚ not stopping to look at anything or anyone. Once I got to the corner it seemed like I was the only person standing there now‚ at that isolated corner waiting… except I wasn’t exactly sure of what though; her‚ or some sort of transportation to
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1) Suppose that an independent laboratory has tested trash bags and has found that no 30-gallon bags that are currently on the market have a mean breaking strength of 50 pounds or more. On the basis of these results‚ the producer of the new‚ improved trash bag feels sure that its 30-gallon bag will be the strongest such bag on the market if the new trash bag’s mean breaking strength can be shown to be at least 50 pounds. The mean of the sample of 40 trash bag breaking strengths in Table 1.9 is x=50
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Does asymptotic mean that the normal curve gets closer and closer to the X-axis but never actually touches it? Yes‚ asymptotic means that the curve of a line will approach 0 (the x-axis)‚ but it will not touch 0 and instead will extend to infinity. In this class‚ this applies to the normal continuous distribution and is one of the 4 key characteristics of a normal continuous distribution that our text book discusses. This means that the curve of the line will extend infinitely in both the negative
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Given the secretive nature of infidelity‚ exact figures about cheating and extra-marital affairs are nearly impossible to establish. But‚ listed below are some of the most well-supported facts about cheating. All cited sources can be found on our reference page. •It is estimated that roughly 30 to 60% of all married individuals (in the United States) will engage in infidelity at some point during their marriage (see‚ Buss and Shackelford for review of this research). And these numbers are probably
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Exercise 5-57 Assume there are 23 homes in the Quail Creek area and 9 of them have a security system. Four homes are selected at random: | (a) | What is the probability all four of the selected homes have a security system? (Round your answer to 4 decimal places.) | Probability | | (b) | What is the probability none of the four selected homes have a security system? (Round your answer to 4 decimal places.) | Probability | | (c) | What is the probability at least one
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|T F |1. |If on average y increases as x increases‚ the correlation coefficient is positive. | |T F |2. |Pearson’s correlation coefficient‚ r‚ does not depend on the units of measurement of the two variables. | |T F |3. |The value of Pearson’s r is always between 0 and 1. | |T F |4. |If r is close to 1‚ then the points lie close to a straight line with a positive
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The contingency tables and relative frequency probabilities in this exercise are based on the Springdale Shopping Survey database. Information like that gained from the two parts of this exercise could provide helpful insights into the nature of the respondents‚ their perceptions‚ and their spending behaviors. In particular‚ part 2 examines how conditional probabilities related to spending behavior might vary‚ depending on the gender of the respondent. Based on the relative frequencies for responses
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Answer – Qualitative as it is descriptive or categorical. d. The national debt of the united states in 2009. Answer – Quantitative as the value is a deals with numbers. e. The advertising medium (radio‚ television‚ or print) used to promote a product. Answer – Qualitative as it is descriptive or categorical. 1.17 Classify each of the following qualitative variables as ordinal or nominative. Explain your answers. Qualitative Variable Categories Statistics course letter grade A B C
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great songs but unlike the traditional children’s caroling‚ they use the earnings for goodwill projects. On the day of Christmas‚ we attend Misa de Aguinaldo which is usually attended by the whole family. It is main reason of celebrating Jesus Christ’s birth for Catholics. It is like the main event of the year. We are also used to have Christmas parties in school‚ offices‚ or in family reunions. It may be on or before the Christmas day or sometimes happened in post-Christmas celebration too. Christmas
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concentrate on my legs as I suddenly wake up. The dorm supervisor wakes us up with his rod at 6:30 in the morning. While I fold my bed and brush my teeth‚ the supervisor rushes us and shouts‚ “Hurry up! Lazy bums!” We sloppily get ready and jog to the main school building. Terrified‚ I step into the classroom and notice that a quarter of the class didn’t show up. I wait for the teacher‚ convincing myself that it won’t be the teacher from yesterday. I wait patiently as I hear footsteps approaching the
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