A Sailing School Offers Sailing Lessons on Sundays for Adults

question 22

Multiple Choice

A sailing school offers sailing lessons on Sundays for adults.It has 20 life jackets available in the small size and 25 in the large size.It has found that 55% of adults need the large size and the remainder the small size.If 40 adults show up for lessons one Sunday morning,what is the probability that the school will run out of the small life jackets and that someone needing the small size will have to wear a large life jacket?

• A)0.102
• B)0.626
• C)0.382
• D)0.171
• E)0.829

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Definitions:

Amniocentesis

Amniocentesis is a medical procedure used in prenatal diagnosis, where a small amount of amniotic fluid, which contains fetal tissues, is extracted from the amnion or amniotic sac surrounding a developing fetus, to test for genetic conditions or other fetal infections.

Chorionic Villus Sampling

A prenatal test where a small sample of the placental tissue (chorionic villi) is taken to test for chromosomal abnormalities and certain other genetic problems.

Fetal Cells

Cells that make up the developing fetus in the womb, which possess the ability to divide and specialize into various cell types.

Defective Conditions

Situations or items that are flawed, damaged, or not functioning as intended, often requiring repair or replacement.