198 Answered Questions for the topic biostatistics

12/15/20

Breast Cancer Problem
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
Follows • 1
Expert Answers •1
Biostatistics

11/18/20

Calculate the test statistic
Biologists researching the effects of adding limestone sand as buffer for acid rain effects in streams monitored the pH levels of two streams each month for 36 months. The first stream had a mean... more
Follows • 1
Expert Answers •1
Biostatistics Biology Biochemistry Sat Math

11/16/20

What is induction of protein mean ?
Follows • 1
Expert Answers •1

11/12/20

What is innervation mean ?
My teacher wanted me to search about Skeletal muscle innervation so what am I suppose to search I was not able to find anything when I typed that to google. I need help please.
Follows • 1
Expert Answers •2
Biostatistics Science Biology Biochemistry

11/09/20

What does skeletal muscle innervation meaning ?
Follows • 1
Expert Answers •1

11/09/20

DATA ANALYSIS ENGINEERING
A male fruit fly is equally likely to carry alleles a or b on the X chromosome. Allele a is lethalfor females, so if the male fruit fly carries a, all of its offspring will be male. If the male... more
Follows • 1
Expert Answers •1
Biostatistics Science Biology Biochemistry

11/07/20

What is the effect of artificial electric stimulation on muscle atrophy?
Does it completely reverse atrophy? How (intracellular mechanisms)?
Follows • 1
Expert Answers •1
Biostatistics Math Science Biology

11/05/20

Is this sentence correct ?
If you decrease the risk of a type I error, the risk of a type II error is increased
Follows • 1
Expert Answers •1
Biostatistics Science Biology Chemistry

11/05/20

Which of the following about isoenzymes are true ?
A.) They have the same primary sequenceB.) They localise in different tissuesC.) Isoenzymes have different isoelectric pointsD.) They remain unaltered in health and diseasesI believe the answer is... more
Follows • 1
Expert Answers •1
Biostatistics Science Biology Chemistry

11/05/20

Can you please quickly help me?
Question: What is biomarker?A.) A biological therapy for a diseaseB.) A measurable characteristic by which presence or severity of a disease can be indicatedC.) A symptom of a diseaseD.) A... more
Follows • 2
Expert Answers •1

11/04/20

Important question can someone help me?
After several steps of protein purification, your protein yield is lower than you would expect. You suspect a large amount of autolysis (protein degradation) of your sample. How might you minimise... more
Follows • 2
Expert Answers •1

10/17/20

How to answer this question?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
Follows • 1
Expert Answers •1
Biostatistics Science Biology Chemistry

10/12/20

Can someone help me please?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
Follows • 2
Expert Answers •2
Biostatistics Science Biology Chemistry

10/12/20

Can someone tell me how I should answer this question?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
Follows • 1
Expert Answers •1
Biostatistics Science Biology Chemistry

10/08/20

Can someone help me please?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
Follows • 1
Expert Answers •1
Biostatistics Science Biology Chemistry

10/08/20

Can someone help me please?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
Follows • 1
Expert Answers •1
Biostatistics

10/05/20

Biostatistics z-score problem
What value would be two standard deviations above the mean. Keep several decimal places. The five values in the data set are 9, 13, 16, 19, 23.
Follows • 1
Expert Answers •1
Biostatistics Biology Research Epidemiology

09/25/20

I want to know how is the following article an example of case control study?
https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0231687&type=printable
Follows • 1
Expert Answers •1
Biostatistics Math Algebra

09/24/20

Rewrite the equation v = e^(2w+9x-16y+64z) as the product of four terms.
Follows • 1
Expert Answers •1
Biostatistics Statistics

09/21/20

STATISTICS QUESTION
Use the information as the events follow:Let E1 be A beats B in round-robin tournament and P(E1)=0.7Let E2 be A beats C in round-robin tournament and P(E2)=0.8Let E3 be B beats C in round-robin... more
Follows • 1
Expert Answers •1
Biostatistics

09/17/20

Normal Distribution Example
The SAT scores follow N (1100,200)(a) What is the 95th percentile for SAT scores ?(b) What is the 97.5th percentile for SAT scores ?
Follows • 1
Expert Answers •1
Biostatistics Statistics

09/16/20

Statistics question, please help me understand
Assuming the 95% confidence interval of your group difference is [-5,15], which of the following would be a plausible 90% confidence interval? [-8,18] [8,20] [-2,12] [-5,3]
Follows • 1
Expert Answers •1
Biostatistics Math Statistics Mathematics

08/22/20

Give the P-value for the associated two sided T test.

A pharmaceutical company is interested in testing a therapeutic agent that can potentially lowerblood pressure. Their initial examination considers only subjects who received the therapy atbaseline... more
Follows • 1
Expert Answers •1
Biostatistics

08/10/20

Biostatistics question
A vaccine trial of measles vaccine was conducted in Ahmedabad. It was found that in 342 children who received the vaccine, 11 suffered from measles whereas in 256 children who were not vaccinated... more
Follows • 2
Expert Answers •1
Biostatistics Math Statistics Probability

07/09/20

Biostatistics/ Probability
Suppose that it is known that a fraction 0.001 of the people in a town have tuberculosis (TB). A TB test is available. The sensitivity of a given test is the probability of correctly diagnosing a... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.