Answer: [pic] 1. You can select these coins 9 different times 2. There are 4 different ways you can select 1 nickel 3. 1/9 chance of getting 2 pennies 4. 1/9 chance of selecting a dime then a penny (8 points) |Score | | | 2.
Microbiology lab : task 1 Western Governors University Microbiology lab : task 1 The Methyl Red Test is used to identify bacteria according to their pattern of glucose metabolism. Phosphate buffers, glucose, and peptone make up the Methyl Red broth. Bacteria that produce mixed acids decrease the Ph of the broth. Non-acid end product producing bacteria do not decrease the Ph. Methyl Red turns red for a PH that is lower than 4.4 and it turns orange for a Ph between 4.4 and 6.0.
Two years with lab required, chosen from biology, chemistry, and physics. Three years recommended. Two years, including one year of biological and one year of physical science with lab. Foreign Language One year of either visual and performing arts or foreign language. Two years in same language required.
Your Full Name: UMUC Biology 102/103 Lab 2: The Chemistry of Life INSTRUCTIONS: On your own and without assistance, complete this Lab 2 Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (under Syllabus). To conduct your laboratory exercises, use the Laboratory Manual located under Course Content. Read the introduction and the directions for each exercise/experiment carefully before completing the exercises/experiments and answering the questions. Save your Lab 2 Answer Sheet in the following format: LastName_Lab2 (e.g., Smith_Lab2). You should submit your document as a Word (.doc or .docx) or Rich Text Format (.rtf) file for best compatibility.
The data are summarized below. Small nests Large nests sample size 60 159 sample mean (g) 37.2 35.6 sample variance 24.7 39.0 A 95% confidence interval for the difference between the average mass of eggs in small and large nests
Write your name here Surname Other names Centre Number Candidate Number Edexcel GCSE Mathematics A Paper 1 (Non-Calculator) Higher Tier Sample Assessment Material Time: 1 hour 45 minutes Paper Reference 1MA0/1H Total Marks You must have: Ruler graduated in centimetres and millimetres, protractor, pair of compasses, pen, HB pencil, eraser. Tracing paper may be used. Instructions black ink or • Usein the boxesball-point pen. page with your name, at the top of this • Fill number and candidate number. centre • Answer all questions.
(10 pts) 9. Let A be the event that the first toss is heads, and B be the event that the third toss is heads. Are Aand B independent? Why or why not? (5
Units: ______ Other Course: _________________________ College: ______________________ AP/IB Exam Credit: ________ Qtr. Units: ______ Other Course: _________________________ College: ______________________ AP/IB Exam Credit: ________ Qtr. Units: ______ QUARTER UNITS COMPLETED (AREA 4): AREA 5: PHYSICAL AND BIOLOGICAL SCIENCES 9 - 12 Qtr. Units At least two courses, including one Physical Science and one Biological Science; at least one must include a laboratory. Courses with a laboratory are underlined.
2.12 b. 1.734 c. -1.740 d. 1.740 ANSWER: d -same process but now go to one tailed α=0.05 and dof = 17 4. Read the t statistic from the table of t distributions and circle the correct answer. A one-tailed test (lower tail), a sample size of 10 at a .10 level of significance; t = a. 1.383 b.
Name———————————————————————— Lesson 1.4 Date —— — — — — — — — — — — — Practice B For use with the lesson “Solve ax 2 + bx + c = 0 by Factoring” 1. 3x 2 1 10x 2 8 2. 2x 2 1 5x 2 3 3. 4x 2 1 4x 1 1 4. 2x 2 2 5x 1 1 5.