Questions

Round to the nearest tenth 6 0555 6 0555 rounded to the nearest tenth is

Use a table of integrals to find the indefinite integral Remember to use absolute values where appropriate Remember the constant of integration x dx x44x 3

19 The ages of member a What percent of the members are older than b If there were 80 members in the snowboarding club how many would 20 Jennifer sells her house in Winnipeg for 305 000 and purchases a house in Saskatoon for 350 000 Round z sco to the nearest hundredth City Winnipeg Saskatoon Mean 286 000 346 000 Standard Deviation 7 150 1 600 a Given the house sale price determine the z score for Winnipeg b Given the house purchase price determine the z score for Saskatoon c Which house has the greater relative value Justify your answer

63 63 73 71 65 69 93 b What is the range for 95 of the data to c What is the range for 99 of the data to 17 The ages of members in a snowboarding club are normally distributed with a mean of 25 and a standard deviati 4 years 2 marks 18 a What percent of the members are younger than 20 b If there were 80 members in the snowboarding club how many would be under 20 years old The ages of members in a snowboarding club are normally distributed with a mean of 25 years and a sta deviation of 4 years 2 marks a What percent of the members are between 20 and 28 b If there were 80 members in the snowboarding club how many would be between 20 and 28

The cables of a suspension bridge are in the shape of a parabola as shown in the figure The towers supporting the cable are 800 feet 200 ft 800 ft apart and 40 feet high If the cables touch the road surface midway between the towers what is the height of the cable at a point 200 feet from the center of the bridge The cable is feet from the road surface at a point 200 feet from the center of the bridge

A flashlight has a parabolic reflector that reflects light waves from a bulb located at the focus The figure shows a vertical cross section of such a parabolic reflector with the bulb at the focus Suppose the bulb is 0 4 inch from the vertex of the reflector and the distance across the widest part of the reflector is 6 inches Suppose also that the parabola formed y 10 4 in x 6 in by the cross section is located on a grid so that The figure may not be drawn to scale the vertex is at 0 0 The equation for the parabola is

A bridge with a semielliptical arch spans a river as shown here What is the clearance 6 ft from the riverbank The clearance 6 ft from the riverbank is about ft Type an integer or a decimal rounded to one decimal place as needed 16 ft 46 ft

7 1 2 3 4 9 5 y 2 3 2 10 A B D to 2468X

Round to the nearest hundredth 0 793 0 793 rounded to the nearest hundred

A A 2 4 A 53 y 32 7 A 4 y 4 1 A 6 8 B B C D Type here to search NE C D

3 4 56 7 4 y 4 zoor A 8 B D

Round to the nearest hundredth 0 793 0 793 rounded to the nearest hundredt

Round 153 83379 to the tens place The number 153 83379 rounded to the tens place is

The number 887 62865 rounded to the tens place is

Round to the nearest tenth 134 78692 The number 134 78692 rounded to the nearest tenth is Type an integer or a decimal

ound to the nearest thousandth 91678 The number 5 91678 rounded to the near thousandth is Type an integer or a decimal

Round to the nearest hundredth 4 9980

Round to the nearest thousandth 0 8019 0 8019 rounded to the nearest tho

Round to the nearest hundredth 0 8485 The number 0 8485 rounded to the nearest hundredth is

Round to the nearest thousandth 12 0038 The

25 A manufacturer offers a 3 year warranty on its vacuum cleaners The vacuum cleaners have a mean lifespan of 4 5 years with a standard deviation of 0 5 years 3 marks a Determine the percentage of vacuum cleaners they would have to fix b If the company sold 100 000 vacuum cleaners how many would the company need to repair under warranty

17 y 4 2 2 12 A B C 8 y 3 2 2 A B C D D 10

Show your work 24 A manufacturer of mobile phones has determined that the phones require servicing after a mean of 30 months a standard deviation of 2 4 months What length of warranty should be offered if the manufacturer wants to repai less than 5 of the phones under the warranty 3 marks

4 y x 3 3 y x 2 2 543 2 1 A 5 B Infinite number of solutions C 4 D 4

y 2x 2 1 y x 1 54 2 3 4 x A 3 2 C 2 3 B 2 2 D 2 2

2 y 21 2 A B d 714 246 1 Made with retinitramural graph represents the function A B C D 4 What is the y intercept Type a response

9 5 y 2 3 2 A 10 10 B C te 15 te 6 y 5 2 2 A C D D B

Which of these values for Pand a will cause the function f x Pa to be an exponential growth function A P 13 a 1 B P 13 a C P D P 13 13 a 6 a 16

Find all antiderivatives of the following function f x e3x

Find all functions f x that satisfy the given condition f x 0 4e0 7x f 0 4 f x

Determine the following 18x dx 19x5

Find all functions f t that satisfy the given condition 6 f t t 7 f t

Find the value of k that makes the antidifferentiation formula true x 3 dx 3 dx k x 3 6 5 C

Find all functions f x that satisfy the given condition f x x 1 f 25 0 f x

Find the value of k that makes the antidifferentiation formula true 2x 6 k 2x 6 C

Determine the following 7x dx 3 e d 3e 7x 3e dx

Find the value of k that makes the antidifferentiation formula true 1 9x dx k In 1 9x C k

1 Find the indefinite integral x 4x dx 5x x 4x dx 5x

Evaluate the following indefinite integral S 17 dx 4x 17 dx

Determine the following 2 2 x dx 2 2 x 2 x dx dx

Find the value of k that makes the antidifferentiation formula true S6e71 dt ke 7t C

Graph the following equation and identify the y intercept y x 3 20 16 Use the graphing tool on the right to graph the equation Click to enlarge graph The y intercept is Type an ordered pair 20 16 Ay

Determine the following S 8 3x 1 dx S 8 e x 1 dx

Determine the following S 7 dx S 7 dx

Find all antiderivatives of the following function f x 3x

Determine the following 10 10 dx

How does sample variance influence the likelihood of rejecting the null hypothesis and measures of effect size such as r and Cohen s d O Larger variance increases both the likelihood and measures of effect size O Larger variance increases the likelihood but decreases measures of effect size O Larger variance decreases the likelihood but increases measures of effect size O Larger variance decreases both the likelihood and measures of effect size Question 18 As sample size increases the critical region boundaries for a two tailed test with a 05 will move closer to zero True 0 5 pts

An article in Fortune September 21 1992 claimed that nearly one half of all engineers continue academic studies beyond the B S degree ultimately receiving either an M S or a Ph D degree Data from an article in Engineering Horizons Spring 1990 indicated that 117 of 484 new engineering graduates were planning graduate study a Are the data from Engineering Horizons consistent with the claim reported by Fortune Use a 0 05 in reaching your conclusions Find the P value for this test b Discuss how you could have answered the question in part a by constructing a two sided confidence interval on p

Find an equation of the line that contains the given pair of points 23 25 6 8 The equation of the line is Simplify your answer Type your answer in slope intercept form

Find an equation of the line that contains the given pair of points 23 25 6 8 The equation of the line is Simplify your answer Type your answer in slope intercept form