Determine the probability that both are girls
In the second grade class containing 12 girls, and 9 boys, 2 students are chosen at random to give out the math papers. Determine the probability that both are girls.
a. (4/7)*(4/7)
b. (4/7)*(11/20)
c. (4/7)*(3/5)
d. (3/7)*(2/5)
Expected delivery within 24 Hours
Let X and U denote random variables, and assume that E[U|X] = 1 and that E[X] = 2. What is E[U]? Provide a proof for your answer.
Estimate the density of the metal when a metal sample weighing 25.876 grams was added to a graduated cylinder containing 25.00 mL of water? The volume of the water plus the sample was 29.55 mL.
Assume x is difference between price scanned and price marked on item, and y is amount refunded to customer. Write the formula for y in terms of x.
Determine the pH of a solution that results from mixing the 25 mL of a0.0010 M Na2CO3 (sodium carbonate) solution with the 25 mL of a 0.0010 M NaHCO3solution.
A consumer products company is formulating new shampoo and is interested in foam height (in mm). Foam height is approximately normally distributed as well as has a standard deviation of 20 mm. The company wishes to test Ho: µ=175 mm versus H
Suppose rate of inflation is 4% per year, equation P=P0(1.04)t yields predicted price P of the item in t years which presently costs P0. Determine predicted price of $120,000 house in 3 years.
Rolling a fair die ten times and keeping track of the numbers that are rolled. Rolling 10 fair dice and looking at the number of dice that have 4 dots facing up.
Determine the hypothesis sor situation stated above. Compute the test statistic. Determine P- Value
1924714
Questions Asked
3,689
Active Tutors
1425041
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Review section 2.2 about the various research methods used by sociologists, then address the following questions.
Question: Which statement is true regarding psychometrists? Need Assignment Help? Question options:
In conclusion, the problem space identification process requires rigorous literature synthesis, external validation, and structured argumentation to establish
Erikson believed that people go through eight stages of psychosocial evolution that is termed psychosocial development
Question 1: Compare and contrast student-centered learning to teacher-centered learning.
The concepts of being genuine, having a positive regard for, and seeing clients as having basic goodness and an internal capacity for self-growth
Answer this question with detailed references in paragraph format: What is countertransference, and how does it impact the therapeutic relationship?