+1-415-315-9853

info@mywordsolution.com

## Statistics

1. Find out the mean and standard deviation of following probability distribution

 x 1 2 3 P(x) 0.4 0.15 0.35

2. In testing new drug, researchers found that 5% of all patients by using it will have the mild side effect. A random sample of 15 patients by using the drug is selected. Find out the probability that:

a) exactly three will have this mild side effect

b) at least two will have this mild side effect.

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M921264

Have any Question?

## Related Questions in Statistics and Probability

### The mean monthly mortgage paid by all home owners in a city

The mean monthly mortgage paid by all home owners in a city is \$1260 with a standard deviation of \$140 . Using Chebyshev's theorem, find the interval [L, U], that contains monthly mortgage payments of at least 90% of all ...

### Develop a list of four elements variables you would like to

Develop a list of four elements (variables) you would like to use to "measure" the association between exposure to violence and future criminality. Provide a brief explanation of the reasons you chose the variables

### Following the lead of given example design an optimum 2-bit

Following the lead of given example, design an optimum 2-bit quantizer for a signal whose samples follow a triangular PDF, (a) Find the four quantization levels   and the three boundary points,  (b) Find the mean-squared ...

### Text barbara illowsky page 271 problem 88a school

Text: Barbara Illowsky Page 271, Problem 88 A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows th ...

### The probability that a pharmaceutical firm will

The probability that a pharmaceutical firm will successfully develop a new drug that will return \$750 million dollars is 0.14. If the research is unsuccessful, the company incurs a cost of \$100 million dollars. What is t ...

### Sppose we label the spaces on a monopoly board asnbsp0

Suppose we label the spaces on a monopoly board as  0 = Go, 1 = Mediterranean Ave., 2 = Community Chest, 3 = Baltic Ave Let  X[k] be the location of a player after turns. On each turn, a player moves by rolling two (six- ...

### The following data shows the amount of money spent by 10

The following data shows the amount of money spent by 10 customers who visited a market in a certain year and their social classes' index. Amount(1000)   57 54 49 42 58 32 30 24 20 18 social class index 113 111 107 103 1 ...

### A player engages in the following dice tossing game craps

A player engages in the following dice tossing game ("craps"). Two dice are rolled. If the player rolls the dice such that the sum is either 7 or 11, he immediately wins the game. If the sum is 2, 3, or 12, he immediatel ...

### Discuss the other major weakness of the articles of

Discuss the other major weakness of the Articles of Confederation and show how our present-day Constitution overcame them.  Be sure to address how the Constitution addressed the economy, political instability, conflict's ...

### Letnbspnbspbe a sequence of independent poisson counting

Let   be a sequence of independent Poisson counting processes with arrival rates, Show that the sum of all of these Poisson processes, is itself a Poisson process. What is the arrival rate of the sum process?

• 13,132 Experts

## Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

### A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

### What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

### Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

### Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

### Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate