Chapter 6Quiz

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 ?

"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

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?

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 =

According to a certain central bank from 2000 to 2016 the average price of a new home in a certain region increased by 53% to $402,000. What was the average price of a new home in 2000?

the answer 318 is wrong for B as provided by an previous expert. The formula is given in this picture for part b. Please only answer part B

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

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?

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

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?

Can someone help me with this problem?   People who are 65 years of age or older make up 13.1% of a certain​ country's total population. If there are 32.1 million people in this age​ group, find the total population of the country.

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.)

In a multiple-step calculation, is it better to round off the numbers to the correct number of significant figures in each step of the calculation or to round off only the final answer? Why?

The answer to this question I put is incorrect.

It was recently estimated that uninsured vehicles outnumber insured ones by about seven to six. If there are 2405 vehicles in a county, how many of them are uninsured?

Write a how-many-groups word problem for 0.35 / 1.45 = ?

Over the last 40 weeks, Mr. Neace has lost $2400 playing the lottery. What is his average loss per week?

The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 35 who smoke. Step 1 of 2 :   Suppose a sample of 1089  Americans over 35 is drawn. Of these people, 359 smoke. Using the data, estimate the proportion of Americans over 35 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places.

QUESTION 21 At Dubai English School, 313 students use buses to go to school. If this number is 36% of the total school enrollment, then how many students are enrolled in total? Round your answer to a whole number.

A hamburger franchise is owned by three people. One person owns 7/12 of the franchise and the second person owns 1/6 of the franchise. What fraction of the franchise does the third person own?