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On your answer sheet, give one situation where each of the sampling methods is
being applied,
1. Lottery Sampling:
X
Systematic Sampling:
6
3.
Stratified Random Sampling
4.
Cluster Sampling.
5.
Multi-stage sampling
It has sample size taken from a population shapes non normal and follows normal distribution
On your answer sheets, complete the table below by supplying
the missing entries and answer the reflective questions using 3 to 5 sentences referring to your
answers on the table. Also, copy and be familiar with the scoring rubric provided.
What is the probability that 40 or more boxes will be delivered on a particular day?
The average monthly salary of 500 teachers of Candelaria East district is
P26,500. If the monthly salaries of the teachers are normally distributed with
standard deviation of P2,500, approximately how many teachers in the district
are earning more than P30,000 monthly?
The average number of calories in a 1.8-ounce chocolate bar is 230. Suppose
that the distribution of calories is approximately normal with a standard
deviation of 10. Find the probability that a randomly selected chocolate bar will
have less than 200 calories.
The division-wide aptitude test in
Mathematics was conducted to students.
The mean of the test is 58 and the standard
deviation is 12. The scores also approximate
the normal distribution. What percent of the
scores is between 55 and 65?
A. 9.87%
B. 18.23%
C. 21.90%
D. 31.77%
If a sample of 10 cups of ice cream is selected, what is the probability that the mean of the sample will be larger than 670 mg?
Question :
The “Titans” cricket team has a winning rate of 75%. The team is planning to play 10 matches in the next season.
a) Let X be the number of matches that will be won by the team. What are the possible values of X?
b) What is the probability that the team will win exactly 6 matches?
c) What is the probability that the team will lose 2 or less matches?
d) What is the mean number of matches that the team will win?
e) What are the variance and the standard deviation of the number of matches that the team will win?
Doubt in (c) = What is the probability that the team will lose 2 or less matches?
(Here, do we have to use P(X less than equal to 2)?
A dice is tossed 120 times with the following
results.
Number turned up 1 2 3 4 5 6 Total
Frequency 30 25 18 10 22 15 120
Test the hypothesis that the dice is un biased.
#339914 on Dec 2023