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INTERVAL ESTIMATE
4. Suppose that the amount of time spend by working student weekly is normally distributed with the standard deviation of 25 minutes. A random sample of 125 observations is drawn and the sample mean is computed as 150 minutes. Determine the 95% confidence interval estimate of the population mean.
Strategy communication refers to the role a communicator or a public relations practitioner plays in the strategy-making process and is a dynamic approach to strategic management
3. A bread shop owner wishes to find the 95% confidence interval of the true mean cost of special bread. How large should the sample be if she wishes to be accurate within ₱8? As previous study showed that the standard deviation of the price was ₱12.
A. Find point estimate of the population parameter p. and the standard
deviation for each of the following sets of data,
2. Lengths of the plants in a box in cm
8 12.2 13.1 14.1 15 8 11.1 11
6.5 12.1 10 14.2 6 9 12.3 12
7 10.1 19.1 15.6 11 10 14.2 13
5.5 9.1 12 17.8 9.2 12.1 15 15.2
7 3.4 15 19.1 10.4 11 21.1 12.1
A. Find point estimate of the population parameter p. and the standard
deviation for each of the following sets of data,
1. Scores in Midterm Test in Philosophy
45 50 4 18 23 23 12 54
15 55 58 18 22 56 23 12
25 45 56 16 45 45 56 23
25 24 60 17 60 43 55 24
26 10 14 25 12 21 44 25
If 24.15 ml of sodium hydroxide were required in the titration of a 4.9651 g sample of dried reagent potassium biphthalate (KHC8H4O4), what would be the normality of sodium hydroxide?
Write in the form “if p then q”, then write the converse, inverse and contra positive of each of the following implications.
- It is necessary to do your homework to get the passing grade.
a. Converse (q →p) =
b. Contra positive (q→¬p )=
c. Inverse (p→¬q )=
2. You can access the school Wifi only if you are enrolled.
a. Converse (q →p) =
b. Contra positive (q→¬p )=
c. Inverse (p→¬q ) =
3. Mark gets a high grade whenever he studies his lesson.
a. Converse (q →p) =
b. Contra positive (q→¬p )=
c. Inverse (p→¬q ) =
4. If you read your lessons everyday, you will pass all your course.
a. Converse (q →p) =
b. Contra positive (q→¬p )=
c. Inverse (p→¬q ) =
supposed 3 cons are tossed once, let Y be the random variable representing the number of heads. contruct the probability distribution and the histogram
Exercise 2. Suppose a researcher wants to estimate the mean weight of all Karate players in a tournament. He took a random sample of 30 volleybal players and ther height (in centimeters). Their weight was recorded as follows: 55 45 45 55 60 59 57 66 80 70 64 65 67 65 65 65 82 73 50 55 75 66 77 65 82 71 65 52 75 What is the mean height of the 30 volleyball players in the collegiate tournament?
Exercise 1. Shown below are the weights of the packed ground pork in kilograms
(kg). Find the point estimate of the population of the population parameter.
350 346 350 346 350 348 351 351
340 347 344 340 340 340 345 347
355 348 351 355 347 352 356 352
347 348 347 347 347 347 346 347
348 351 347 348 348 348 348 349
348 349 348 348 349 348 347 349
349 349 349 349 349 348 346 349
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#339914 on Dec 2023