prove that f(x)= | x+1| has no tangent line at (-1 0)
ASSIGNMENT F10 (HYPOTHESIS TESTING)
Identify the null and alternative hypothesis of the ff.
1. The average age of bus drivers in a certain city is 38.8 years.
Ho :
Ha :
2.A university claims that the proportion of its students who graduate in four years is more than 82%.
Ho:
Ha :
3.A television manufacturer claims that the standard deviation of life of a certain type of television is 3 years.
Ho :
Ha :
Identify the null and alternative hypothesis of the ff.
4.The average number of calories of a low-calorie meal is at most 300.
Ho :
Ha :
5.The school record claims that the mean score in Math of the incoming grade 11 students is 8.1. The teacher wishes to find out if the claim is true. She tests if there is a significant difference between the batch mean score and the mean score of students in her class.
Ho :
Ha :
The heights of grade 11 male students are normally distributed with a mean of 65 inches and a standard deviation 2.25 inches. (a) Find the values of 45.75 inches and 72.5 inches. (b) What is the probability that a randomly chosen member of the group has height x berween 60 inches and 70 inches?
The market supply curves and market demand curves for books are given as follows: supply curve:P = 0.000002Q, Demand Curve:P = 11- 0.000002Q, The short-run marginal cost curve:MC = 0.1 + 0.0009Q, the equilibrium quantity of books is?
The cost for labour and materials for painting is R60,00 per square metre. How much will it cost to paint a square parking area of sides with length 32 metres.
Write a program using string function that will accept the course abbreviation as input value and it will display the corresponding college.
COURSE COLLEGE
BSBIO CAS
BSA CBS
BSBA
BSAT
BSENTREP
BSINFOTECH CCS
BSIS
BSCS
BSAR CEA
BSCE
BSECE
BSEE
BSIE
BSME
BSHRM CHM
BSTM
EOC CIT
BSIT
BEED COE
BSEED
BPE
BSSOC CSSP
BSSW
A compound containing only nitrogen and oxygen is
63.64% N by mass the empirical formula of the
compound is
What is the
A chlorine oxide is 59.7%% by mass CI What is the
empirical formula of the oxide?
A chlorine oxide is 59.7%% by mass CI What is the
empirical formula of the oxide?
A researcher wants to determine if review sessions affect the performance of the students in written exams. A review session is administrated to sample of 25 students and after the examination, a sample mean of 43 was calculated with a standards deviation of 8. From the previous examinations, it was identified that the population mean for the same exam is 40. Can the researcher conclude that the review session is effective in improving the students’ exam results? Use a = 0.01.
Which of the following is correct regarding the effect of expansionary monetary policy in the Keynesian model?
a.
The consumption function swivels downward showing a fall in aggregate spending and income.
a. The consumption function swivels downward showing a fall in aggregate spending and income.
b.
The aggregate spending curve will shift downward showing a fall in aggregate spending and income.
b. The aggregate spending curve will shift downward showing a fall in aggregate spending and income.
c.
Investment spending will increase, which is shown by an upward shift of the aggregate spending curve.
c. Investment spending will increase, which is shown by an upward shift of the aggregate spending curve.
d.
Firms will choose to invest less.