**Appendix B: Tables****TABLE 1: CUMULATIVE PROBABILITIES FOR THE STANDARD NORMAL DISTRIBUTION**A graph of the standard normal distribution is shown with the area under the curve shaded to indicate cumulative probability. The graph is symmetric around the mean, which is zero. Entries in the table provide the area under the curve to the left of a given z-value. For example, for $ z = -0.85 $, the cumulative probability is 0.1977.| | .00 | .01 | .02 | .03 | .04 | .05 | .06 | .07 | .08 | .09 ||----|------|------|------|------|------|------|------|------|------|------|| -3.0 | .0013 | .0013 | .0012 | .0012 | .0011 | .0011 | .0010 | .0010 | .0009 | .0009 || -2.9 | .0019 | .0018 | .0018 | .0017 | .0016 | .0015 | .0015 | .0014 | .0013 | .0013 || -2.8 | .0026 | .0025 | .0024 | .0023 | .0023 | .0022 | .0021 | .0020 | .0019 | .0018 || -2.7 | .0035 | .0034 | .0033 | .0032 | .0031 | .0030 | .0029 | .0028 | .0027 | .0026 || -2.6 | .0047 | .0045 | .0044 | .0043 | .0041 | .0040 | .0039 | .0038 | .0037 | .0036 || -2.5 | .0062 | .0060 | .0059 | .0057 | .0055 | .0054 | .0052 | .0051 | .0049 | .0048 || -2.4 | .0082 | .0080 | .0078 | .0075 | .0073 | .0071 | .0069 | .0068 | .0066 | .0064 || -2.3 | .010 The mean cost of domestic airfares in the United States rose to an all-time high of $380 per ticket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $110. Use Table 1 in Appendix B.1. What is the probability that a domestic airfare is $560 or more (to 4 decimals)? [Input Box]2. What is the probability that a domestic airfare is $260 or less (to 4 decimals)? [Input Box]3. What if the probability that a domestic airfare is between $300 and $500 (to 4 decimals)? [Input Box]4. What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar) [Input Box] or [Dropdown: Select your answer]

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The amount that people pay for their cellphone service is normally distributed with a mean of $136 with a standard deviation of $36.12. Find the probability that a person pays between $120 and $145.
Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey show that annual expenditures for cellular phone services per consumer unit increased from $235 in 2001 to $611 in 2007. Let the standard deviation of annual cellular expenditure be $42 in 2001 and $162 in 2007. What is the probability that the average annual expenditure of 136 cellular customers in 2001 exceeded $234? What is the probability that the average annual expenditure of 136 cellular customers in 2007 exceeded $577?
Find the probability that a randomly selected year of rain in Sydney, Australia has a yearly rainfall of 130.8 mm or more. where the mean is 137mn and the standard deviation is 69mn.
please answer within 30 minutes.
The lengths of pregnancies are normally distributed with a mean of 270 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 309 days or longer. b. If the length of pregnancy is in the lowest 2%, then the baby is premature. Find the length that separates premature babies from those who are not premature. Click to view page 1 of the table. Click to view page 2 of the table. ..... a. The probability that a pregnancy will last 309 days or longer is (Round to four decimal places as needed.) b. Babies who are born on or before days are considered premature. (Round to the nearest integer as needed.)
According to the US Bureau of Labor Statistics, the average American consumer in 2018 spent $7,923 on food and drink. Assume the amount spent is normally distributed and that the standard deviation is $1,592. What is the most an American consumer could spend on food and drink in 2018 while still remaining in the lowest 10% of spending on food and drink? Enter your answer as a number rounded to two decimal places, e.g. 1053.01.
should have the right to marry. (The 2014 data were collected before the 2015 U.S. C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals 30 measured on a 5-point scale from strongly agree (1) to strongly disagree (5). Supreme Court decision granting same-sex couples the right to marry. Responses wer measured on a 5-point scale from strongly agree (1) to strong!y aisagiee (2). Cumulative Percentage Homosexuals Should Have Right to Marry (2014) Percentage Frequency 32.5 32.5 Strongly agree 251 57.5 25.2 Agree 195 67.3 Neither agree nor disagree 9.6 74 79.2 Disagree 92 11.9 100.0 Strongly disagree 161 20.8 Total 773 100.0 Homosexuals Should Have Cumulative Right to Marry (2018) Frequency Percentage Percentage Strongly agree 293 39.5 39.5 Agree 200 27.0 66.5 Neither agree nor disagree 70 9.4 75.9 Disagree 67 9.0 84.9 Strongly disagree 111 15.0 99.9 Total 741 99.9 a. What is the level of measurement for this variable? b. What is the mode for 2014? For 2018?
The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances that someone is earning more than $20 an hour?
The distances golf balls travel under laboratory testing conditions are normally distributed. The mean is 313 yards. The probability the golf ball travels further than 322 yards is 0.13. Find the probability a randomly selected golf ball travels between 304 yards and 322 yards. Express the answer as a decimal value rounded to the nearest hundredth.
The average price for an acre of land is $20,000 with a standard deviation of $2500. What is the probability that a randomly selected plot of land will sell for more than $23,000?
According to the Centers of Disease Control and Prevention (CDC), the aging of the U.S. population is translating into many more visits to doctors’ offices and hospitals. It is estimated that an average person makes four visits a year to doctors’ offices and hospitals. a. What are the mean and the standard deviation of an average person’s number of monthly visits to doctors’ offices and hospitals? (Round your answers to 4 decimal places.) b. What is the probability that an average person does not make any monthly visits to doctors’ offices and hospitals? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) c. What is the probability that an average person makes at least one monthly visit to doctors’ offices and hospitals? (Do not round intermediate calculations. Round your final answer to 4 decimal places.)
For the month of April, a checking account has a balance of $539 for 22 days, $2318 for 3 days, and $214 for 5 days. What is the account's mean daily balance for April? The account's mean daily balance for April is approximately $ (Round to two decimal places as needed.)

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