Question: Hi! I'm having trouble figuring out these problems for my statistics class. I'd appreciate it if someone could explain these to me! Question 1. Assume

Hi! I'm having trouble figuring out these problems for my statistics class. I'd appreciate it if someone could explain these to me!

Question 1.

Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes. If 8 adult smartphone users are randomly selected, find the probability that at least 5 of them use their smartphones in meetings or classes.

Question 2.

Assume that when adults with smartphones are randomly selected, 58% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphones in meetings or classes.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Three point charges are fixed in place in a right angled in which q1 is 0.71 micro coulombs and q2 = - 0.67 micro coulomb. What is the magnitude and direction of the elec force on the 1.0 micro...

STEVE Hour 1 Hour 2 Hour 3 Hour 4 Hour 5 Hour 6 Hour 7 Monday Activity Code 9 10 11 9 10 11 CA Job Code 1 8 Tuesday Activity Code 9 10 4 4 4 5 8 Job Code 8 8 8 Wednesday Activity Code 9 10 11 4 4 4 4...

I need answers A, B, and C. (Related to Checkpoint 9.2 and Checkpoint 9.3) (Bond valuation) The 13-year $1,000 par bonds of Vail Inc. pay 11 percent interest. The market's required yield to maturity...

Hi! I'm having trouble figuring out these problems for my statistics class. I'd appreciate it if someone could explain these to me! Question 1. A pharmaceutical company receives large shipments of...

Hi! This is one question I am having trouble with for my Statistics class. Would really appreciate your help. Thanks! 2. Data collected on the annual percent returns on gold prices show an annual...

\fThis is an electronic version of the print textbook. Due to electronic rights restrictions, some third party content may be suppressed. Editorial review has deemed that any suppressed content does...

Please read the question Question : What strategies have you used to communicate in a language you were acquiring? What strategies do you think emergent bilinguals use? 3 How Do People Learn and How...

1-1 Basic Skills and Concepts Statistical Literacy and Critical Thinking 1. Online Medical Info USA Today posted this question on its website: "How often do you seek medical information online?" Of...

1 For this task, imagine that you were asked to present to a class of master's level students who are enrolled in their first quantitative research methods course. Create a PowerPoint presentation...

COMM 215: BUSINESS STATISTICS REVIEW PROBLEMS 1 Descriptive Statistics 1. The listing below gives the service window of A&W: 4.91 0.85 0.52 2.51 1.92 2.66 1.94 5.19 2.33 3.51 2.95 2.62 service times...

Refer to the information in Problem. In Problem, Saline Solutions uses process costing to account for production of its unique compound BG at its River Plant. The River Plant has two departments: R...

Stacy Company reported total assets of $1,400,000 and noncurrent assets of $480,000. The company also reported a current ratio of 3.5. What amount of current liabilities did the company report?

QUESTION 4 The securitization of morteages was first carried out by Sarbanes - Oxley. the Federal Deposit insurance Corporation ( FDIC ) . Fannie Mae and Freddie Mac. WorldCom and Enron.

3. Integrate the following set of ODE's on the computer: dy da dz (-2) - y. o (y-) = xy - Bz dt dt dt -1 and z(0) using the Improved Euler Method. The initial conditions are x(0)= 1, y(0) and the...

2. For each of the functions f(z) below, find all annuli, centred at 0 E C, on which f is analytic, and determine the Laurent expansion of f on each of these annuli 1 (a) (4 points) f(2) z(z2+1) e2...

Read the Data Driven Decision Making and write your reflection paper about it?

Which of the following is true about gross profit (gross margin)? It is net sales minus operation expenses. It is net sales minus cost of goods sold. It is the same as income from continuing...

Case: Samsung a Strategic Plan for Success 1. A short and concise overview of the company. This should include its origin, its mission statement and the size & reach of the company. 2. Perform a...

Design a minimum-mass symmetric three-bar truss (the area of member 1 and that of member 3 are the same) to support a load P, as was shown in Fig. 2.9. The following notation may be used: Pu = P cos...

P8.27 Fundamental to the valuation process is the determination of the intrinsic value of a security, where an investor calculates the present value of the expected future cash benefits of the...

P8.26 Marc Dodier is a recent university graduate and a security analyst with the Kansas City bro- kerage firm of Lippman, Brickbats, and Shaft. Dodier has been following one of the hottest issues on...

P8.29 At the beginning of this chapter you read about a 2009 earnings announcement from Winn- Dixie in which earnings per share were reported as $0.17 for the quarter. Let's make a simple assumption...