O Save & End Certify Lesson: 4.3b Direct and Inverse Variation ELON BARTEY Question 1 of...
learn.hawkeslearning.com/Portal/Lesson/lesson certify Save & End Certify Lesson: 12.1 Scatter Plots and Correlation Question 1 of 13, Step 1 of 3 /21 Correct The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams. Hours spent studying 0 0.5 1.5 3 4 4.5 5.5 Midterm Grades 63 66 72 78 81 84 87 Step 1 of 3: Calculate the correlation coefficient r. Round your answer to six decimal places. Answer How to...
101 52081 Hawkes Learning O Save & End Certify Lesson: 5.1 Discrete Random Variables Question 10 of 14. Step 3 of s Correct Consider the following data: P(X = x) | 0.2 | 0.1 | 0.2 | 0.3 | 0.2 Step 3 of S: Find the standard deviation, Round your answer to one decimal place. Hów to enter your an
Save & End Certify Lesson: 5.1 Discrete Random Variables Question 5 of 15. Step 1 of 1 3/22 Correct Find the standard deviation of the following data. Round your answer to one decimal place. -6 0.2 -5 0.1 P(X = x) 0.2 0.1 0.2 0.2 Answer How to enter your answer
Save & End Certify Lesson: 9.3 The Distribution of the Sample... ANNIE PORTER - Question 5 of 13, Step 1 of 1 3/13 Correct The mean life of a television set is 121 months with a variance of 256. If a sample of 95 televisions is randomly selected, what is the probability that the sample mean would be less than 118.8 months? Round your answer to four decimal places Tables Keypad Answer How to enter your answer
O Save & End Certify Lesson: 8.1 Solving Systems by Substitutio... 8/1e Correct Question 10 of 10, Step 1 of 1 Working her way through hours did she work at each job the week that she made $236.902 (Round to two decimal places if necessary.) school, julie works two part-time jobs for a total of 37 hours a week. Job A pays $5.70 per hour, and Job B pays $7.00 per hour. How many Answer Keypad How to enter your...
Save & End Certify Lesson: 8.4 Estimating Population Proporti... MCBRIDE SIFUENTES Question 3 of 9, Step 2 of 2 3/16 Correct The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 46 who smoke. Step 2 of 2: Suppose a sample of 1089 Americans over 46 is drawn. Of these people, 774 don't smoke. Using the data, construct the 85% confidence interval for the population proportion of Americans over 46...
Lesson: 4. Relatio - Save & Exit Certify Correct Question 13 of 14. Step 2 of 3 Consider the following relation 5y + y = - 6x + x2 Step 2 of 3: Evaluate the function found in the previous step at x = -1. Answer f(-1) = 2020 Hawkes Learning
Hawkes Learning http:://earn.hawkeslearming.com/Portal/Aesson/lesson certify#! C Lesson: 2.1 Frequency Distributions @Save & End Certify 6/21 Correct Question 4 of 7, Step 2 of 5 Consider the following frequency table representing the scores on a test. Scores on a Test Class Frequency 2 50-57 58-65 15 6 66-73 11 74-81 82-89 12 Step 2 of 5: Determine the upper class boundary for the third class. 2019 Hawkes Learning hp e
Hawkes Leaning Save & End Certify Lesson: 9.6 Applications: Distance-Rate-Ti... FATUMA ALASOW 6/15 Question 10 of 15, Step 1 of 1 Correct A college student realized that he was spending too much money on fast food. For the remaining 5 months of the year his goal is to spend a mean of $60 a month towards fast food. How much can he spend in December, taking into consideration that in the other 4 months he spent $100, $90. $25, and...
YESENIA REYES Save & Exlt Certify Lesson: 7.2 Applications of Exponential Fu.. Question 9 of 14, Step 1 1 of 1 72 Applications of Exponential Functions 7/19 Correct The function Cin) - Coll + r) models the rise in the cost of a product that has a cost of Co today, subject to an average yearly inflation rate of for years. If the average annual rate of inflation over the next 11 years is assumed to be 3.5 %, what...