# Use the 68-95-99.7 rule to solve the problem

###### Question:

Use the 68-95-99.7 rule to solve the problem. - The amount of Jen's monthly phone bill is normally distributed with a mean of $53 and a standard deviation of$11. What percentage of her phone bills are between $20 and$86?

#### Similar Solved Questions

##### A linear regression using risk as the outcome and beds as the predictor produces the following...
A linear regression using risk as the outcome and beds as the predictor produces the following results. Which of the following statements is true based on the below (select all that apply) Linear Fit Risk 3.3735438+0.0070695 Beds Select one or more a. Number of beds is negatively correlated with ris...
##### A multiple-choice test has 20 questions. Each question has 4 possible answers, of which only one ...
A multiple-choice test has 20 questions. Each question has 4 possible answers, of which only one is correct. (i) If you randomly answered each question, what is the name of the distribution for the number of possible marks you could achieve for the whole test? Explain your reasons and give the value...
##### (4 pts) What is the pH of the a buffer solution containing 0.10 moles of acetic...
(4 pts) What is the pH of the a buffer solution containing 0.10 moles of acetic acid and 0.12 moles of sodium acetate in 45 ml after adding 0.030 moles of KOH? 3. 0.049L Acenc acid + KOH CH3CO0K t H20 HOE...
##### The Rainy Division of Seattle Corporation reported the following results from the past year. Shareholders require...
The Rainy Division of Seattle Corporation reported the following results from the past year. Shareholders require a return of 11% Management calculated a weighted-average cost of capital (WACC) of 2%. Rainy's corporate tax rate is 30 %. $900.000 225,000$1,700,000 800,000 Sales Operating income ...
##### 2. Compute both the direct material cost and the conversion cost per equivalent unit. ork Saved...
2. Compute both the direct material cost and the conversion cost per equivalent unit. ork Saved Help Required information Problem 16-2A Weighted average: Cost per equivalent unit; costs assigned to products LO C2, C3 (The following information applies to the questions displayed below.) Victory C...
##### P12.3A (LO 2, 3, 4), AN Service Brooks Clinic is considering investing in new heart-monitoring equipment....
P12.3A (LO 2, 3, 4), AN Service Brooks Clinic is considering investing in new heart-monitoring equipment. It has two options. Option A would have an initial lower cost but would require a significant expenditure for rebuilding after 4 years. Option B would require no rebuilding expenditure, but its ...
##### Electrical circuits
A student starts with a 1-battery, 2-bulb series circuit. The student then adds bulbs, one at a time, in parallel across bulb B as shown below.After each addition, the student compares the brightness of bulb A to that of bulbs W and X in the circuits below and the brightness of bulb B to that of bul...
##### The Lab experiment of brating string was modified to be a 90-cm aluminum string joined to...
The Lab experiment of brating string was modified to be a 90-cm aluminum string joined to an 129.9 cm steel string. The ver sal pulling mass was 10 kilograms over a pulley. The standing wave pattern had 4*Y loops in the aluminum section and n loops in the steel section. One loop represents half wave...
##### N = 80 5,= 5.4 A market analyst wants to know if the new website he...
n = 80 5,= 5.4 A market analyst wants to know if the new website he designed is showing increased Website 1 Website 2 page views per visit. A customer is randomly sent to one of two different websites, offering n = 95 the same products, but with different designs. y =6.9 y2 = 6.6 The data is shown i...
##### Topic: Organic chemistry, nucleophilic substitution (R)-2-butanol is labelled with O-18 and participates in the following reactions:...
Topic: Organic chemistry, nucleophilic substitution (R)-2-butanol is labelled with O-18 and participates in the following reactions: What is the final configuration of the product? Explain. (I'm confused in this subject so please leave a detailed explanation) он 18OH + (CH3SO2-018) C...
##### QUESTION 3 (24 points) Consider the production function Q=KS + L. a) What is the equation...
QUESTION 3 (24 points) Consider the production function Q=KS + L. a) What is the equation of the marginal rate of technical substitution? (8 points) b) Suppose that the unit costs of capital (r) and labor (w) are 10 and 5 respectively. Find the minimum cost to produce 100 units of output. (16 points...