What is the probability of positivity for e histolytic

Assignment Help Basic Statistics
Reference no: EM13998972

1. For 200 children with a test for E. histolytic, 59 had positive result and 151 had negative result

a) What is the probability of positivity for E. histolytic?

b) Probability of negativity for E. histolytic was:

c) Probability for positive or negative result was:

2. In a blood bank, they determined blood groups:

Group

n

%

0

45

45

A

29

29

B

21

21

AB

5

5

Total

100

100

a) What is the probability of being part of the 0 group?

b) What is the probability of choosing a person from the B group and then someone from the A group?

3. There are 100 new born in a maternity in Celaya. 55 were females and 45 males

a) What is the probability of randomly choosing a female baby for a study?

b) What is the probability of choosing a male baby?

c) What is the probability of choosing a female or a male baby?

4. A bag contains 5 yellow marbles, 16 green marbles, and 2 red marbles.

a) What is the chance of drawing a red marble?

b) What is the probability of drawing a green marble without replacement and after drawing a yellow marble?

5. A fruit basket contains five red apples and three green apples. Without looking, you randomly select two apples, without replacement. What is the probability that

a) You will select two red apples?

b) You will not select two green apples?

Reference no: EM13998972

Questions Cloud

What is the different between tourist and excursionist : Define tourism. What should be included in the definition of tourism? What is the different between tourist and excursionist?
Analyze the economic theories that are germane : Analyze the economic theories that are germane (relevant) to the provision of health services, and comment on how one or two specific model(s) might explain the framework or context of patient/consumer preference with regard to the health care servic..
Determine the returns to scale-productions exhibit DRS-CRS : Determine the returns to scale, that is, briefly show whether the following productions exhibit DRS, CRS or IRS.
What is the slope of the isoquant : Suppose the production function for T-shirts can be represented as q = L^0.25 K^0.75. When K = 1 and q = 2, what is the slope of the isoquant? If there is insufficient information to answer the question, describe what information is additionally need..
What is the probability of positivity for e histolytic : For 200 children with a test for E. histolytic, 59 had positive result and 151 had negative result. What is the probability of positivity for E. histolytic? Probability of negativity for E. histolytic was
What is the net cost of society of producing : Suppose the demand for paper is given by Qd = 360 – 4p and the industry marginal cost of production is given by Qs = 6p. In addition, the firm’s production imposes an externality with an associated marginal damage (MD) = 2. Please include a graph wit..
Fitzgerald oil and gas incurred costs : What was the depletion for year 1 and year 2?
Proposed project make sense at a discount rate : Suppose Mayor Emanuel proposes a project that will cost $200,000 today, $100,000 next year and 15,000 to dispose of it in ten years when the project is completed. Once finished three years from today, it is expected to generate a net income of 40,000..
Optimal number of trips to the bank using baumol-tobin model : Suppose the nominal interest rate is i = 10%, the time cost of a round trip to the bank is $25 and annual expenditure is $72,000. Calculate the optimal number of trips to the bank using the Baumol-Tobin model. How much is withdrawn in each trip?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Conduct the hypothesis test and prove the test statistic

conduct the hypothesis test and prove the test statistic critical value and p-value and state the conclusion.a package

  A new extended-life light bulb has an average service life

a new extended-life light bulb has an average service life of 770 hours with a standard deviation of 51 hours. if the

  Compute the value of the test statistic

Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)

  Probability and customers demand a smoke free area

A new restaurant with 123 seats is being planned. Studies show that 57% of the customers demand a smoke free area. How many seats sould be in the non-smoking area in order to be very sure (mean+3StandardDeviation) of having enough seating there?

  What are the mean earnings of males and females in this

a subsample from the current population survey is taken on weekly earnings of individuals their age and their gender.

  Determining mean amount spent on insurance

Assume then money spent is uniformly distributed between these amounts. Determine the mean amount spent on insurance?

  Find time taken-students to walk from dorms to chemistry lab

a mean of 20 minutes and a standard deviation of 3 minutes. how long does it take the slowest 10% of the students to walk from the dorms to the chemistry lab.

  Proportion of accidents that involved use of a cell-phone

A survey of 600 non-fatal accidents showed that 111 involved the use of a cell phone. Find a point estimate for p, the population proportion of accidents that involved the use of a cell phone.

  Variable-constant and coefficient of the expression

Identify the variable, constant, and coefficient of the expression: 10k - 15. Identify the variable, constant, and coefficient of the expression: 3p. Identify the variable, constant, and coefficient of the expression: x - y

  Level of measurement for no significant difference

What is the level of measurement for there is no significant difference between marital ages of men and women? and ther eis a significant difference between marital ages between men and women.

  The quality-control manager at a light bulb factory needs

the quality-control manager at a light bulb factory needs to determine whether the mean life of a large shipment of

  What is meant by a p-value

What is the difference between a one-tail and a two-tail test? How do we identify each? What is meant by a p-value?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd