(Answered) 1write an equation for the ellipse with end points of the

Statistics

1. Write an equation for the ellipse with end points of the major axis at(7,1)and(-7,1)and end points of the minor axis at(0,5) and(0,-3)

2. Write an equation for the parabola with focus(4,0)and directrix y=2.

3. A coin is tossed 5 times.find p(atmost 4 tails)

a. 3/16

b. 13/16

c. 1/32

d. 31/32

4. For 2000 patients,blood-clotting time was normally distributed with a mean of 8 seconds and a standard deviation of 3 seconds.what percent was blood-clotting times between 5 and 11 seconds?

a. 68%

b. 34%

c. 49/5%

d. 47/5%

5.during a sale,1/6 of the CD prices are reduced.find the probability that 2 of 4 randomly-selected CDs have reduced prices?

a. 5/36

b. 25/1296

c. 25/216

d. 5/216

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91627546
Price:- $20

Verified Expert

Priced at $40 Now at $20, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Question a random variable x is known to be distributed

Question: A random variable X is known to be distributed either N(1,3) or N(2,3). The mill hypothesis is that the mean is equal to 1. The alternative hypothesis is that the mean is 2. a. With a sample of 10 draws from th ...

During a certain week the mean price of gasoline was 2719 a

During a certain week the mean price of gasoline was $2.719 a gallon. A ronadom sample of 32 stations is drwn. What is the probability that the mean price was between $2.695 and $2.716. Assume o=$0.048.

Vang corps stock price at the end of last year was 3350 and

Vang Corp.'s stock price at the end of last year was $33.50 and its earnings per share for the year were $2.30. What was its P/E ratio?

Are us executives paid too much particularly compared to

Are U.S. Executives paid too much particularly compared to the average worker in their organization?

In a club with 9 male and 10 female members a 4-member

In a club with 9 male and 10 female? members, a 4?-member committee will be randomly chosen. Find the probability that the committee contains at least 3 women.

Suppose a machine has two components that prevent injury

Suppose a machine has two components that prevent injury; component A and component B. If either of the components fail, an employee will be injured. It is important to note that both A and B cannot fail at the same tim ...

In the health abc studynbsp522nbspsubjects owned a pet

In the Health ABC Study, 522 subjects owned a pet and 1968 subjects did not. Among the pet owners, there were 297 women; 961 of the non-pet owners were women. Find the proportion of pet owners who were women. Do the same ...

1 suppose you purchase anbsp10-year bond with 64annual

1) Suppose you purchase a 10-year bond with 6.4%annual coupons. You hold the bond for four years, and sell it immediately after receiving the fourth coupon. If the bond's yield to maturity was 5.4% when you purchased and ...

Suppose that 1 of the employees of a certain company use

Suppose that 1% of the employees of a certain company use illegal drugs. This company performs random drug tests that return positive results 99% of the time if the person is a drug use. However, it also has a 2% false p ...

In a large university 68 of students live in dormitories a

In a large university, 68% of students live in dormitories. A random sample of 14 students is selected. What is the probability that the sample contains more than five students who do not live in the dormitories?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

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.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert