INTRODUCTORY STATISTICS (LOOSELEAF)
3rd Edition
ISBN: 9780135163146
Author: Gould
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 19SE
Standard Normal Use the table or technology to find the answer to each question. Include an appropriately labeled sketch of the Normal curve for each part. Shade the appropriate region. A section of the Normal table is provided.
a. Find the area in a Standard Normal curve to the left of 1.13.
b. Find the area in a Standard Normal curve to the right of 1.13.
Format of the Normal Table: The area given is the area to the left of (less than) the given
z-score.
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Find the z-scores for which 80% of the distribution's area lies between -z and z.
Click to view page 1 of the table. Click to view page 2 of the table.
The Z-scores are
(Use a comma to separate answers as needed. Round to two decimal places as needed.)
C
Questi
Find the indicated area under the standard normal curve.
To the left of z = -0.82
Click here to view page 1 of the standard normal table.
Click here to view page 2
the standard normal table.
The area to the left of z = -0.82 under the standard normal curve is
(Round to four decimal places as needed.)
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Find the z-scores for which 97% of the distribution's area lies between -z and z.
Click to view page 1 of the table. Click to view page 2. of the table.
The z-scores are
(Use a comma to separate answers as needed. Round to two decimal places as needed.)
Chapter 6 Solutions
INTRODUCTORY STATISTICS (LOOSELEAF)
Ch. 6 - Directions Determine whether each of the following...Ch. 6 - 6.1-6.4 Directions Determine whether each of the...Ch. 6 - 6.1-6.4 Directions Determine whether each of the...Ch. 6 - 6.1-6.4 Directions Determine whether each of the...Ch. 6 - Loaded Die (Example 2) A magician has shaved an...Ch. 6 - Prob. 6SECh. 6 - Distribution of Two Thumbtacks When a certain type...Ch. 6 - Two Children Make a list of all possible outcomes...Ch. 6 - Two Thumbtacks a. From your answers in Exercise...Ch. 6 - Two Children Using your list of outcomes in...
Ch. 6 - Snow Depth (Example 3) Eric wants to go skiing...Ch. 6 - Snow Depth Refer to Exercise 6.11. What is the...Ch. 6 - Applying the Empirical Rule with z-Scores The...Ch. 6 - Length of Pregnancy Assume that the lengths of...Ch. 6 - SAT Scores Quantitative SAT scores are...Ch. 6 - Women’s Heights Assume that college women’s...Ch. 6 - Women’s Heights (Example 4) Assume college women’s...Ch. 6 - SAT Scores Quantitative SAT scores are...Ch. 6 - Standard Normal Use the table or technology to...Ch. 6 - Standard Normal Use the table or technology to...Ch. 6 - Standard Normal Use technology or a Normal table...Ch. 6 - Standard Normal Use technology or a Normal table...Ch. 6 - Extreme Positive z -Scores For each question, find...Ch. 6 - Extreme Negative z-Scores For each question, find...Ch. 6 - St. Bernard Dogs (Example 5) According to dogtime...Ch. 6 - Whales Whales have one of the longest gestation...Ch. 6 - Boys’ Foot Length (Example 6) According to the...Ch. 6 - Women’s Foot Length According to the Digital Human...Ch. 6 - Boys’ Foot Length Suppose a shoe store stocks...Ch. 6 - Women’s Foot Length Suppose a shoe store stocks...Ch. 6 - Birth Weights (Example 7) According to the British...Ch. 6 - Birth Lengths According to National Vital...Ch. 6 - White Blood Cells The distribution of white blood...Ch. 6 - Red Blood Cells The distribution of red blood cell...Ch. 6 - SAT Scores in Illinois According to the 2017 SAT...Ch. 6 - SAT Scores in Florida According to the 2017 SAT...Ch. 6 - Arm Span (Men) According to Anthropometric Survey...Ch. 6 - Arm Span (Women) According to Anthropometric...Ch. 6 - New York City Weather New York City’s mean minimum...Ch. 6 - Chicago Weather The average winter daily...Ch. 6 - Probability or Measurement (Inverse)? (Example 8)...Ch. 6 - Probability or Measurement (Inverse)? The Normal...Ch. 6 - Inverse Normal, Standard In a standard Normal...Ch. 6 - Inverse Normal, Standard In a standard Normal...Ch. 6 - Inverse Normal, Standard Assume a standard Normal...Ch. 6 - Inverse Normal, Standard Assume a standard Normal...Ch. 6 - Prob. 47SECh. 6 - Weights of Newborn Hippos The weight of newborn...Ch. 6 - Medical School MCAT Scores on the 2017 MCAT, an...Ch. 6 - Medical School GPA The distribution of grade point...Ch. 6 - Women’s Heights Suppose college women’s heights...Ch. 6 - Men’s Heights Suppose college men’s heights are...Ch. 6 - Inverse SATs Critical reading SAT scores are...Ch. 6 - Inverse Women’s Heights College women have heights...Ch. 6 - Girls’ and Women’s Heights According to the...Ch. 6 - Boys’ and Men’s Heights According to the National...Ch. 6 - Cats’ Birth Weights The average birth weight of...Ch. 6 - Elephants’ Birth Weights The average birth weight...Ch. 6 - Gender of Children (Example 10) A married couple...Ch. 6 - Coin Flip A coin will be flipped four times, and...Ch. 6 - Rolling a Die (Example 11) A die is rolled 5...Ch. 6 - Twins In Exercise 6.59 you are told to assume that...Ch. 6 - Free Throws Professional basketball player...Ch. 6 - On-Time Arrivals Alaska Airlines has an on-time...Ch. 6 - Identifying n,p, and x (Example 12) For each...Ch. 6 - Identifying n,p, and x For each situation,...Ch. 6 - Dog Owners (Example 13) According to the American...Ch. 6 - Cat Owners According to the American Veterinary...Ch. 6 - Passports According to data from the U.S. State...Ch. 6 - Travel According to a survey conducted by OnePoll,...Ch. 6 - Wisconsin Graduation Wisconsin has the highest...Ch. 6 - Colorado Graduation Colorado has a high school...Ch. 6 - Cell Phones According to the Centers of Disease...Ch. 6 - Landlines According to the Centers of Disease...Ch. 6 - Drones (Example 14) The use of drones, aircraft...Ch. 6 - Drones A 2017 Pew Research Center report on drones...Ch. 6 - Texting While Walking According to a report by the...Ch. 6 - Texting While Driving According to a study by the...Ch. 6 - Prob. 79SECh. 6 - Free Throws Professional basketball LeBron James...Ch. 6 - Prob. 81SECh. 6 - Prob. 82SECh. 6 - Discrete or Continuous? Determine whether each of...Ch. 6 - Probability Distribution In a game of chance,...Ch. 6 - Birth Length A study of U.S. births published on...Ch. 6 - Birth Length A study of U.S. births published on...Ch. 6 - Males’ Body Temperatures A study of human body...Ch. 6 - Females’ Body Temperatures A study of human body...Ch. 6 - Prob. 89CRECh. 6 - Medical Licensing See problem 6.89 for information...Ch. 6 - Systolic Blood Pressures Systolic blood pressures...Ch. 6 - Prob. 92CRECh. 6 - Stress According to a 2017 Gallup poll, 44#37; of...Ch. 6 - Stress According to a 2017 Gallup poll, 17 of...Ch. 6 - Voice-Controlled Assistants Voice-controlled video...Ch. 6 - Prob. 96CRECh. 6 - Prob. 97CRECh. 6 - Prob. 98CRECh. 6 - Prob. 99CRECh. 6 - Quantitative SAT Scores, Normal and Binomial The...Ch. 6 - Prob. 101CRECh. 6 - Birth Length and z-Scores, Inverse Babies in the...
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- Find the mean hourly cost when the cell phone described above is used for 240 minutes.arrow_forwardUse the standard normal table to find the specified area. Between z = -0.32 and z = -1.28 Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table,O y The area that lies between z = -0.32 and z = - 1.28 is (Round to four decimal places as needed.)arrow_forwardUse technology to find the indicated area under the standard Normal curve. Include an appropriately labeled sketch of the Normal curve and shade the appropriate region. a. Find the area in a standard Normal curve to the left of 0.38. b. Find the area in a standard Normal curve to the right of 0.38. Remember that the total area under the curve is 1.arrow_forward
- Find the z-scores for which 15% of the distribution's area lies between -z and z. Click to view page 1 of the table. Click to view page 2 of the table. The z-scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.) ntsarrow_forwardUse the standard normal table to find the z-score that corresponds to the cumulative area 0.1762. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding Z-Scores. Click to view page 1 of the standard normal table Click to view page 2 of the standard normal table. (Type an integer or decimal rounded to three decimal pláces as needed.) Next 12:19 PM P Type here to search OE 47°F Cloudy 12/20/2021 no prt sc pause break 15 112 delete 3 41 5 7 0 backspoce RI Y. PI H. K enter B shihOarrow_forwardUse technology to find the indicated area under the standard Normal curve. Include an appropriately labeled sketch of the Normal curve and shade the appropriate region. a. Find the area in a standard Normal curve to the left of 1.63. b. Find the area in a standard Normal curve to the right of 1.63. Remember that the total area under the curve is 1. a. Which graph below shows the area in a standard Normal curve to the left of 1.63? A. 1.63 A graph contains a Normal curve, plotted over a horizontal axis, which extends between the left and right edges of the graph and has a peak at the horizontal center. Approximately 25% of the way from the graph’s right edge, a vertical line segment with labeled horizontal coordinate 1.63 extends from the horizontal axis to the curve. The area below the curve and to the left of the vertical line segment is shaded. Your answer is correct. B. 1.63…arrow_forward
- Sketch the normal curve. 1. Find the area between z= -1.5 and z= -2.5 2. Find the area between z= -1.35 and z=2.95 3. Find the area to the left of z= 2.32 4. Find the area to the right of z= -1.8arrow_forwardUse the standard normal table find the z-score that corresponds to the cumulative area 0.7224. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. Click to view page 1 of the standard normal table. Click to view page 2 of the standard normal table. z= (Type an integer or decimal rounded to two decimal places as needed.)arrow_forwardPlease help answer my homework questionarrow_forward
- Find the z-scores for which 98% of the distribution's area lies between -z and z. Click to view page 1 of the table. Click to view page 2 of the table. OA. (-2.33,2.33) OB. (-1.96,1.96) OC. (-1.645,1.645) OD. (-0.99,0.99)arrow_forwardWith solutionarrow_forwardName: 1. Find the area under the standard normal curve, to the left of z = -0.35. Draw a picture of the standard normal curve, and shade and label all z-values. 2. Find the z-value corresponding to the shaded area under the standard normal distribution. 2 = Area = 0.68arrow_forward
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