What is the product of -2 and – 5 ? A. -14 D. 14 В. —2 19 C. 28 28 O A O B O C O D

Q: The life spans of a species of fruit fly have a bell-shaped distribution, with a mean of 30 days and…

A: Introduction: Let X be the life span of a randomly selected fruit fly. It is given that X has a…

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A: We want find the probability P(0<z<2.68)

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A: Given that From part (a) we have n = 271 And from part (b) we have n = 260

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A: Given that  A medical researcher says that less than 82% of the adults in certain country thinks…

Q: a. Which interest rate and compounding period gives the best return? .8% compounded annually • 7.5%…

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Q: A supplier of stationary carries three frequently requested items: pencils, pens, and binders. Each…

A: Supplier records are provided as follows:

Q: Sketch triangle ABC with vertices and triangle DEF with vertices D = Then answer the following…

A: Given points are-  A(0,-1) , B(-3,1) , C(0,5) D(3,-3) , E(0,-1) ,F(3,3)

Q: Find the margin of error for the given values of c, s, and n. c= 0.99, s = 2.5, n=8 Click the icon…

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Q: The table shows population statistics for the ages of Best Actor and Best Supporting Actor winners…

A: The normally distributed random variable X can be transformed into standard normally distributed…

Q: Use the confidence interval to find the margin of error and the sample mean. (1.51,2.01) ..... The…

A: Given confidence interval is,(1.51   ,  2.01) Lower limit=1.51Upper limit=2.01

Q: 1. Using a .05 level of significance, is there evidence of a difference in the average time to…

A: Solution:

Q: 7) The weights, in grams, of mice are normally distributed with mean µ. A biologist takes a random…

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Q: The highest recorded temperature during the month of July for a given year in Death Valley, in…

A: The mean of the distribution, oFThe standard deviation of the distribution, oF

Q: . Linear combination Let u = (1, 2, 2), v = (1, -1, -1), w = (1, 3, 1), and z = (2, 11, 8). Write z…

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Q: A water footprint is a measure of the appropriation of fresh water. The per capita water footprint…

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Q: A research center claims that more than 32% of employees in a certain country have changed jobs in…

A: Given : number of success , x= 98.0 sample size, n = 280 population proportion,p=…

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Q: Determine if the finite correction factor should be used. If so, use it in your calculations when…

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Q: (9x – 8)°A (x + 10)° (x + 2)° 4. (17x - 23)° (7x + 2)° 2.

A: From triangle (By angle sum property ) (9x-8)o+(x+2)o +(x+10)o =180 9x+x+x-8+1+10=180+11x +4=180…

Q: Triangle ABC is a right triangle and is shown in the Cartesian plane below.

A: Given that:         A right triangle ABC as shown below:

Q: 16. Let h(x, y) = xy – 2x². Find the minimum and maximum values of h on the rectangle where 0 < x <…

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Q: The grade point averages (GPA) for 12 randomly selected college students are shown on the right.…

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Q: help with the question please (17).

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Q: Use the standard normal distribution or the t-distribution to construct a 90% confidence interval…

A: Given Standard deviation = 1.29 n = 25 Alpha = 0.10

Q: Q10.) Bill the Egg farmer has a duck flock that routinely lays duck eggs with weights that are…

A: Given, Weights of eggs follows normal distribution with mean 2.0 oz. and standard deviation 0.2 oz.…

Q: The figure to the right shows the results of a survey in which 2500 college graduates from the year…

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Q: Exercise 1 In earlier lessons, we have defined congruent to mean that there exists a sequence of…

A: To solve the congruency of  ∆ABC  and ∆A'B'C'.

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A: From the provided data, the summarized contingency table is obtained as follows:Level of…

Q: 8. (10x- 45) R (6x - 1) Rounding to the nearest 10th. degrees the measure of arc MN = degrees

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Q: Exercise 1:If 0 is the angle between vectors a and b, show that projab. projpa = (a.b) cos (0) COS

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Q: dentify the consequence (increase, reduce, or none) that the following procedures are likely to have…

A: Given,a set of experiments.To study the effect of those experiments on both bias and experimental…

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Q: Researchers have observed that rainforest areas next to clear-cuts (less than 100 meters away) have…

A: Given data:-10.8, -4.9, -2.6, -1.6, -3, -6.2, -6.5, -9.2, -3.6, -1.8, -1, 0.2, 0.1, -0.3, -1.4,…

Q: 20. Write an expression using a variable for the area and perimeter of a square with side 2x 9.

A: The sloution is

Q: The linear functions f(x) and g(x) are perpendicular to each other and intersect on the x-axis. 1 If…

A: Given that: f(x) and g(x) are linear functions.g(x)=-12x+12f(x) and g(x) are perpendicular and…

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Q: Assignment #7: Properties of Quadrilaterals 1. Using what you know about different types of…

A: 1.) A lot of different shapes can be made by changing a specific characteristic of the…

Q: An education researcher claims that at most 6% of working college students are employed as teachers…

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Q: The grade point averages (GPA) for 12 randomly selected college students are shown on the right.…

A: