Chapter 6Quiz

In how many days will $4,500 grow to $4,845.21 at 7% p.a.?

A fireman's softball team wins 6 games out of the first 9 played. They go on to win all their remaining games and finish the season with a final average of games won of .750.  The TOTAL number of games they played that season was ?

2. a. Write a how-many- groups word problem for 5.6 ÷ 1.83=? b. Write a how-many-units-in-1-group word problem for 5.6 ÷ 1.83=? c. Write a word problem (any type) for 0.75 ÷ 2.4=?

A buyer paid ​$41,400​,including the​ buyer's premium, for a car auction. If the auction adds a 15​% ​buyer's premium to the sale price of the​ car, then what was the sale price of the​ car?   The sale price of the car was ​$.....​(Type an integer or a​ decimal.)

For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. In a marketing survey, a random sample of 726 women shoppers revealed that 638 remained loyal to their favorite supermarket during the past year (i.e., did not switch stores).

for a sport radio show, you are asked to research the question whether more home runs are hit

"Save today by switching to SOAR!" is the slogan for SOAR, a cell phone service provider. Logan wants to estimate how much money customers who switch to SOAR save on their monthly bill. He surveys 75 people who have recently switched to SOAR and asks each one how much they are saving in their monthly bill as a result of the switch. He finds the average savings of the sample to be $19.03 and historical records indicate that o = $4.71 What is the standard error in estimating monthly phone bill savings? 0.895 0.544 4.710 0.236

randa A survey was given to a sixth-grade class asking students if they wanted to have an after-school dance club. Three out of every four students said yes. Name: Problem 1 a. What fraction of the sixth-grade class responded yes? b. What percent of the sixth-grade class responded yes? Use the double number line below to model the situation. 2 3

The average annual precipitation on Mt. Washington, New Hampshire, is 90 inches. During one particularly wet year, different news reports carried the following statement. The precipitation this year is 200% of normal. What does this imply about the precipitation during this year?

From your hotel room, you look down at the street and want to estimate howmany taxis are available. You know that taxis are numbered sequentially, and,from your window, you can make out a passing taxi’s number as 50. What isyour unbiased estimate for the total number of taxis in town?

A researcher at a major hospital wishes to estimate the proportion of the adult population of the United States that has high blood pressure. How large a sample is needed in order to be 99% confident that the sample proportion will not differ from the true proportion by more than 4%? O A. 1,037 O B. 17 O C. 2,073 D. 849 Click to select your answer. DELL

QUESTION 9 Jasmeen sells scrunchies and hair bands in an online shop. The scrunchies sell for $5 each and the hair bands sell for $8 each. Last week they sold 220 scrunchies and hairbands altogether. They collected $1,505 in sales last week. How many SCRUNCHIES did they sell last week?

Oxnard College reports your GPA on a 4.0 scale. The "4" in the 4.0 GPA scale is equivalent to an A, "3" is equivalent to a B, "2" is equivalent to a C, "1" is equivalent to a D, and "0" is equivalent to a F. Last semester, a student recieved the following gradesC in a 2 units Math course F in a 4 units Music course B in a 4 units Chemistry course A in a 4 units Journalism course What is the student's GPA for that term? Round to two decimal places. Student's GPA =

Suppose that the chances of rain this weekend in Monterey are 14% and the chances of rain this weekend in Buenos Aires are 33%.  If we assume that the weather in those two locations is independent, what are the chances that it will rain in both locations? Write your answer as a decimal rounded to 3 decimal places.

Javier earned $95 in the first week cutting grass, $185 in the second week, and $275 in the third week. What is the explicit formula to figure out Lee’s allowance for week ‘n’?

Al gave correct answers to 47 of the 50 questions on the driving test . What percentage of the questions did he get correct?

The number of gallons of milk sold each day at a grocery store ........... variable  .

Based on the density graph below, what is the probability of a value in the sample space being anywhere from 70 to 80? Hint: The distance between consecutive horizontal gridlines is 0.004. 0.06 004 0.02 0.00 10 20 30 40 50 70 00 Sample space

During their freshman year, Derek's GPA was 3.5 and Terry's was 3.1. During their sophomore year, Derek's GPA was 3.6 and Terry's was 3.5. Which of the following is not necessarily true? Choose the correct answer below. A. Terry's overall GPA for the two year-period was somewhere between 3.1 and 3.5. B. Terry's overall GPA for the two-year period could be lower, higher or the same as Derek's overall GPA for the two-year period. C. Derek's overall GPA for the two year-period was somewhere between 3.5 and 3.6. D. Terry had a lower GPA than Derek during their freshman year and again in their sophomore year. E. Derek's overall GPA for the two-year period was higher than Terry's because their GPA's may have been weighted differently. OF. Derek had a higher GPA than Terry during their freshman year and again during their sophomore year.

A stock rose $0.24 in the market on Thursday. If the resulting price was $73.245, what was the price of the stock before the rise?

The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to find out the fraction of people who appear on the list that are actually caught. Step 1 of 2: Suppose a sample of 233 suspected criminals is drawn. Of these people, 72 were captured. Using the data, estimate the proportion of people who were caught after being on the 10 Most Wanted list. Enter your answer as a fraction or a decimal number rounded to three decimal places.   Step 2 of 2: Suppose a sample of 233 suspected criminals is drawn. Of these people, 72 were captured. Using the data, construct the 80% confidence interval for the population proportion of people who are captured after appearing on the 10 Most Wanted list. Round your answers to three decimal places.

According to the U.S. Census Bureau, the District of Columbia's population is currently 572,000. If the population has been growing at a average of 6% a year for the past ten years, what was the approximate population 10 years ago? Round to the nearest person. O 394,012 O 309,402 O 419,302 O 342,019

The question was asking for the number of customers to break even.

A struggling young company reported the following results for the four quarters of the year:  A loss of $257,000, a loss of $132,000, a profit of $87,000, a profit of $166,000.  What was the net result for the year?

Suppose that the result of a public opinion poll shows that just 10% of people would be willing to give up their cell phones for 1 week in exchange for $100. How many people would need to be surveyed in order to have a margin of error of ±2%?

You recently received a job with a company that manufactures an automobile anti theft device. To conduct an advertising campaign for the product, you need to make a claim about the number of automobile thefts per year. Since the population of various cities in the United States varies, you decide to use rates per 10,000 people. (The rates are based on the number of people living in the cities.) Your boss said that last year the theft rate per 10,000 people was 44 vehicles. You want to see if it has changed. The following are rates per 10,000 people for 36 randomly selected locations in the United States. Assume σ = 30.3. U s e α = 0.05   Car Thefts 55 42 125 62 134 73 39 69 23 94 73 24 51 55 26 66 41 67 15 53 56 91 20 78 70 25 62 115 17 36 58 56 33 75 20 16 Use the traditional method to conduct the hypothesis test.   a/ Write the conjuncture b/ Find the critical value(s) c/ Find the test value d/ Make a decision e/ Write the summary

The price of a carpet was reduced by 90%. If the original price was $170, what was the amount by which the price was reduced? ..... The reduction was $. (Type an integer or a decimal.)

A Stork Rose $0.22 in the market on Thursday. If the resulting price was $68.222, what was the price on the stock before the rise? The price of the stock before the rise was $ _____