medical researcher randomly assigns 100 high-risk heart patients into two groups. One group will get open heart surgery and the other groups will get a transcatheter aortic valve replacement. She will compare the two groups to see how long they live after their procedures. What scale of measurement is the heart procedure?

Q: The proportion of brown M&M's in a milk chocolate packet is approximately 13%. Suppose a package of…

A: Define the Random Variable, X : Number of Brown M&M out of 50 probability that a M&M will be…

Q: A cardiac patient cannot walk any faster that 2.0 mph, but she has been told that she must at 8…

A: Given, speed is 2.0 mph  she must exercise 8 METs. We know that 2.0 mph = 2×26.8=53.6 m/min

Q: Is  volume of soda in a bottle is a ratio variable?

A: Interval Scale there is order and the difference between two values is meaningful. Eg- temperature…

Q: 3. Fencing costs $5.45 per foot and sod costs $0.62 per square foot. To allow for measurement error,…

A:

Q: How many classrooms would be necessary to hold 1,000,000 inflated balloons? (Assume one balloon is…

A: We can find the required number of classrooms in the below steps.

Q: The ratio of yes to no votes was 4:1. If 14,000 people voted No, how many votes were cast in total?

A: Let total x votes were cast. Given that the ratio of yes to no votes was 4:1. So, 1/(4+1)= 1/5th of…

Q: Whose shaved ice had the greater rati

A: Given that: Kimi got 4 pumps of lime syrup and 5 pumps of cherry syrup.Toby got 5 pumps of lime…

Q: b. If one pint of milk is equivalent to 2 cups of milk, how many cups of milk did Jasmine and Brenda…

A: Given that Jasmine drank 2 pints of milk each day and Brenda drank 3 pints of milk each…

Q: The ratio of green M & M's to red is 2: 5. If there are 84 M&M's in the bag, how many are green?

A:

Q: A man measuring a rectangle "x" meters by "y" meters, makes each side 15% too small. By how many…

A:

Q: the ratio of yougert and ice cream sold at baskin and robin 1.4 of next of 100 cones sold how many…

A:

Q: The ratio of kangaroos to koalas was 9 to 5. If there were 414 kangaroos, how many koalas were…

A: There were 230 Koalas if thare were 414 kangaroos.

Q: D account) that earns 4% and the remainder in a savings bond that earns 7%. If the tota ar is…

A: Mother earns $6250 Down payment = 20% of $6250 =6250×20100=$1250 Remaining amount =…

Q: The ratio of boys to girls in the class was 3 to 2. If there were 12 boys, how many girls were…

A:

Q: 4. Sofiaowns a specialty store and finds that its sales on earrings run 2:5 ratio compared to sales…

A:

Q: Solve the following problems, BOX your final answer. 2. The following data are the measures of the…

A: Frequency is the number of times an observation repeated in the individual observation. If the…

Q: iii. What percentage of measurements will be equal to 3.50 cm? iv. What value of the dimension will…

A: For this problem mean, µ is given by 3.3. Coefficient of Variation = 3.60% Let the standard…

Q: If the ratio of brown sugar to granulated sugar in an oatmeal cookie recipe is 4:3, what fraction of…

A: To Determine: what fraction of the recipe is brown sugar? Given: If the ratio of brown sugar to…

Q: The phrase "miles per hour" is best described as a ratio. O True O False

A: Given, The phrase "miles per hour" is best described as a ratio.  We have to find the truthfullnes…

Q: Use cross products to find out whether this pair of ratios forms a proportion: 2.5/4,7/11.2

A: If a/b and c/d are two ratios, then by cross multiplication , if  we have ad=bc  ,then two ratios…

Q: OMarnie wants to go on five rides. Determine which eirnival would have the lower total cost. Justify…

A:

Q: The ratio of sparrows to finches at the bird feeder is 3 to 4. If there were 12 sparrows, how many…

A:

Q: a) If a speedometer's absolute error is 2 mph and it measures a speed of 60 mph, what is the…

A: Note: Hi! Thank you for the question as per the honor code, we’ll answer the first question since…

Q: In Dave Pelz’s Short Game Bible, the author attempts to characterize the skill of a golfer from a…

A: Evaluation method make more sense in golf than absolute or squared errors:   In the given question,…

Q: Compute the relative error if the true or actual value is 45.84 cm and the measured value is 46.00…

A:

Q: A survey estimated that the average cost of textbooks for a semester of college is $320 with a…

A: Given The average cost of textbook for a semester of college is $320 So x¯ = 320 Margin of error E…

Q: A woman has several rectangular flower beds that she wants to be of equal area. If L ft is the…

A: The area, A of a rectangle is calculated using the formula, A=l·w , where, l is the length and w is…

Q: What scales is measured in values from 0 to 14 with 7 being neutral?

A:

Q: 2 If sultana grapes cost R2,40 per kilogram, how much will 9 kg cost?

A:

Q: Given that 16 watermelons cost $48, which of these are equivalent ratios of  number of watermelons…

A: 16 watermelons cost $48. TO FIND- THE RATION OF NUMBER OF WATERMELONS TO THE COST IN DOLLARS.

Q: Which rate is faster, 2 feet per second or 2 seconds per foit, or both rates the same? Explain.

A: 2 seconds per foot is the same as 4 seconds per 2 feet. i.e 4 seconds per 2 feet. i.e 2 feet per 4…

Q: If A B and C are three contestants  in a km race . if A can give B a start of 40m and A can give C…

A:

Q: $16,000 in prize money will be divided between the 3rd, 2nd, and 1st place winners using a ratio of…

A: Given data Prize money = $16000 Money is divided in the ratio of 1:2:5 for 3rd, 2nd and 1st place…

Q: Give the percentage of variation in the weight of the snakes (Y) that is explained by the length…

A: From the given information is r=0.8356. d) The percentage of variation in the weight of the snakes…

Q: A person conducting research asks customers at a grocery store, “Which is your favorite snack…

A: Level of measurements are of 4 types. This classification is based on the type of data and the…

Q: PREDICT The ratio of red marbles to blue marbles in the bag was 3 to 4. If 24 marbles were blue, how…

A: Red marbles: blue marbles=3:4

Q: b) The ratio of green to white candles is 2:5. If there are 32 green candles, how many white candles…

A: Simple calculation

Q: Fifty (50) kilometers of road were allotted to three contractors according to the ratio 1/2 : 1/3 :…

A: Here the 50km is divided into three contractors in the ratio of 1/2:1/3:1/4 ie., (1/2)x + (1/3)x +…

Q: ompute the ratio for the annual cost of living for each pair of states and reduce to unit ratios…

A: Introduction: A unit ratio is a two-term ratio with a one-term second term. For example: If 84is a…

Q: Bank manager Art Hill wants to determine the percent of time that tellers are working and idle. He…

A: Given : Estimate proportion of tellers are idle about the time is  p^=0.15 Confidence Level=95.45%…

Q: a) white: 145 b) hispanic: 24 c) african-american: 20 d) asian: 11 The ratio of Asians to the…

A:

Q: -Gomer Score: e following ratio tables. 10 15 18 80 72

A:

Q: ANALYZE The team's win-loss ratio is 4 to 3. If the team has won 12 games, how many games has the…

A: Given : The team win-loss ratio is 4:3

Q: the ratio of yourgurt to ice cream sold at baskin robbions is 1.4 of the next 100 cones sold how…

A:

Q: Approximately how many male students are between 154 cm and 186 cm, if 150 males were surveyed?

A:

Q: olve each proportion using your preferred method: 7 n+1 8 2 10 m 9 2 %3D 5

A:

Q: the level of measurement of the variable "country of orgin "is :- a-Nominal b-ordinal C_interval…

A: Nominal scale  variables are the variables whose values are the names assigned to different factors…

Q: Two scales at Aussieburgers, Ltd. were used to weigh the same 24 samples of hamburger patties for a…

A: Here, we have a sample of weights of 24 hamburger patties, measured in two different scales: A and…

Q: Find the measurement of each group if 210 is divided into a 1:6:8 ratio

A: Here 210 is divided in to three groups by the ratio 1:6:8 we need to find the measurement of each…