Problem related to down syndrome

Reference no: EM13103832

"The standard screening test for Down's Syndrome is based on combination of maternal age and the level of serum alpha-fetoprotein. Using this test 80% of Down's syndrome cases can be identified, while 5 % of normals are detected as positive.

What is the sensitivity and specificity of the test?

Suppose that 1 out of 500 infant's are born with Down's Syndrome.

Reference no: EM13103832

Questions Cloud

What is the minimum distance from near edge of intersection : A blue car of length 4.41 m is moving north on a roadway that intersects another perpendicular roadway (see figure below). The width of the intersection from near edge to far edge is 30.0 m.

Discuss poisson distribution probability : Assume that the number of Telephone calls arriving in an office during a 15minute period has a Poisson distribution with mean number of calls equal 5.

Estimate annual inventory carrying cost : MacPack Products orders materials from its suppliers 26 times per year, at a re-ordering cost of $350 (per order). The company's average inventory is valued at $400,000.

What will the scale read : Consider the video tutorial you just watched. Suppose that we repeat the experiment, but this time we replace the original 56- magnet with a more powerful magnet of the same mass.

Problem related to down syndrome : Suppose that 1 out of 500 infant's are born with Down's Syndrome.

Question-normal probability distribution : The goal at U.S. airports handling international flights is to clear these flights within 45 minutes. Let's interpret this to mean that 95 percent of the flights are cleared in 45 minutes

Compute the annual turns : Your company has an average annual inventory of $70 million. Its annual cost of goods sold (COGS) is $560 million. Order costs are $195 per order, and inventory carrying costs are estimated at 23%.

What is the electric field at the point : Two charges of +0.250 C are placed at the points (1.25 mm, 0) and (-1.25 mm, 0). A third charge of -0.450 C is placed at the origin. a. What is the electric field at the point (0, 2.20 mm)? b. At what point on the y-axis will E be zero? Show graph..

Creating liner regression model : Apperson and Fitz is a chain of clothing stores that caters to high school and college students. It publishes a quarterly catalog and operates a Web site that features provocatively attired males and females.

User Account

All Pages