Purchase Solution

Probability of selecting blood type A+

Not what you're looking for?

Ask Custom Question

1. The distribution of blood types for 100 Americans is listed in the table. If one donor is selected at random, find the probability of selecting with blood type A+.

blood type O+ O- A+ A- B+ B- AB+ AB-
number 37 6 34 6 10 2 4 1

A. 0.45
B. 0.34
C. 0.68
D. 0.4

The P(A) = 3/5. Find the odds in favor of A.

A. l2:5
B. 2:3
C.3:2
D.5:2

A group of students were asked if they carry a credit card. The responses are listed in the table.

Class Credit Card carrier Not a Credit Card Carrier Total
Freshman 18 42 60
Sophomore 40 0 40
Total 58 42 100

If a student is selected at random, find the probability that he or she owns a credit card given that the is a sophomore. Round your answer to three decimal places.

A. 0.000
B. 0.400
C. 1.000
D. 0.690

Uses Bayes theorem to solve this problem A storeowner purchases steroes from two companies. From Company A, 550 stereos are purchased and 1% are found to be defective. From Company B, 850 stereos are purchased and 6% are found to be defective. Given that a stereo is defective, find the probability that it came from Company A.

A. 11/113
B. 17/113
C. 102/113
D. 66/113

Purchase this Solution
Solution Summary

The solution provides answers to multiple choice questions on probability.

Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

View More Free Quizzes
Related BrainMass Solutions

  • Statistics - Probability

    A certain lottery is won by selecting the correct four numbers from 1, 2 ...31. The probability of wining that game is 1/31.465.

  • probability

    9568 Probability The distribution of blood types for a population are: 40% typeA 9% type B 49% type O 2% type AB Suppose that the blood types are independent and that both the husband and the wife follow this distribution of blood type.

  • Offspring's Blood Type

    If the father is heterozygous, there is a 50% probability for a blood type A child and a 50% probability for a blood type O child. If the father is homozygous, every offspring will be blood type A.

  • Poisson approximation to binomial distribution

    In a large town, one person in 80, on the average, has blood of type X. a)If 200 blood donors are taken at random, find an approximation to the probability that they include at least five persons having blood of type X.

  • What is the probability that their next child will be a female who has normal vision and is type O?

    Whether we're talking about a boy or a girl, the probability of producing a child with O-Type blood is 25% or 0.25. Another way of saying this is "1 in 4" chance. The O-type children are I^O/I^O. Now, what about a girl with normal vision?

  • Probability

    (1) the first typed person is type A Rh+ blood.

  • Probability Distribution for the Random Variable X

    83377 Probability Distribution for the Random Variable X 1)34% of people in the US have type A-positive blood. Five people are randomly selected and asked if their blood type is A-positive.

  • Correlation Coefficients and Regressions

    Find the probability that all three have type O+ blood. 13. Find the probability that none of the three has type O+ type blood. 14. Find the probability that at least one of the three has type O+ type blood.

  • Probability of rolled die, blood type and Hindi speakers

    67577 Probability of rolled die, blood type and Hindi speakers 1.

View More Related Solutions