16201680174018001860192Distribution of PricesVhat is the approximate percentage of buyers whoaid between $1740 and $1860?Vhat is the approximate percentage of buyers whoaid between $1680 and $1800?%Vhat is the approximate percentage of buyers whoaid between $1800 and $1860?Vhat is the approximate percentage of buyers whoaid between $1800 and $1980?Vhat is the approximate percentage of buyers whoaid less than $1680?Vhat is the approximate percentage of buyers whoaid less than $1620?

We have given that, Let X be the random variable from normal distribution with mean = 1800 and…

Answered: Vhat is the approximate percentage of…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section5.2: Exponential Functions

Problem 37E

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pH of Saliva The pH of saliva is normally in the range of 6.4 to 7.0. However, when a person is ill, the persons saliva becomes more acidic. a When Marco is sick, he tests the pH of his saliva and finds that it is 5.5. What is the hydrogen ion concentration of his saliva? b Will the hydrogen ion concentration in Marcos saliva increase or decrease as he gets better? c After Marco recovers, he tests the pH of his saliva, and it is 6.5. Was the saliva more acidic or less acidic when he was sick?
Harvard Step Test The Harvard Step Test was developed4 in 1943 as physical fitness test, and modifications of it remain in use today. The candidate steps up and down on a bench 20 inches high 30 times per minute for 5 minutes. The pulse is counted three separate times for 30 seconds each: at 1 minute, 2 minutes, and 3 minutes after the exercise is completed. If P is the sum of the three pulse counts, then the physical efficiency index E is calculated using E=15,000P. The following table shows how to interpret the results of the test. Efficiency Index Interpretation Below 55 Poor condition 55 to 64 Low average 65 to 79 High average 80 to 89 Good 90 & above Excellent a. Does the physical efficiency index increase or decrease with increasing values of P? Explain in practical terms what this means. b. Express using functional notation the physical efficiency index of someone whose total pulse count is 200, and then calculate that value. c. What is the physical condition of someone whose total pulse cont is 200? d. What pulse counts will result in an excellent rating?
Richter Scale Exercise S-1 through S-6 use elementary properties of Richter Scale. One earthquake measures 5.5 on the Richter scale, and another reads 4.5. How do the two quakes compare?
Harris-Benedict Formula Your basal metabolic rate is the amount of energy in calories your body needs to function at rest. The Harris-Benedict formula is used to estimate the basal metabolic rate. There is one formula for adult males and another for adult females. In these formulas, w is your body weight in pounds, h is your height in inches, a is your age in years, M=M(w,h,a) is the basal metabolic rate for adult males, and F=(w,h,a) is the basal metabolic rate for adult females: M=66+6.3w+12.7h6.8aF=655+4.3w+4.7h4.7a Use functional notation to express your own basal metabolic rate, and then calculate its value.
Inflation Assuming that the annual rate of inflation averages 4 over the next 10 years, the approximate costs C of goods or services during any year in that decade can be modeled by Ct=P1.04t, where t is the time in years and P is the present cost. The price of an oil change for your car is presently $29.88. Estimate the price 10 years from now.
Richter Scale Exercise S-1 through S-6 use elementary properties of Richter Scale. One earthquake reads 4.2 on the Richter scale, and another reads 7.2. How do the two quakes compare?

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Vhat is the approximate percentage of buyers wh aid between $1740 and $1860? Vhat is the approximate percentage of buyers wh aid between $1680 and $1800? % Vhat is the approximate percentage of buyers wh aid between $1800 and $1860?