can you help me with this answers. a,b,c,d, and c
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can you help me with this answers. a,b,c,d, and
c
6. If 60% of the U.S....
6. If 60% of the U.S. adult population supports the Black Lives Matter (#BLM) movement and...
6. If 60% of the U.S. adult population supports the Black Lives Matter (#BLM) movement and you randomly select 25 adults: a) [3 pts) What is the probability that exactly 17 support #BLM? b) [3 pts) What is the probability that of those 25, less than 18 support #BLM c) [3 pts] What is the probability that between 8 and 14 people support #BLM? d) [3 pts) What is the Expected Value (mean) of the number support #BLM? elec 7....
Styles 6. If 60% of the U.S. adult population supports the Black Lives Matter (#BLM) movemen...
Styles 6. If 60% of the U.S. adult population supports the Black Lives Matter (#BLM) movemen and you randomly select 25 adults: a) [3 pts] What is the probability that exactly 17 support #BLM? b) [3 pts] What is the probability that of those 25, less than 18 support #BLM c) [3 pts] What is the probability that between 8 and 14 people support #BLM? d) (3 pts) What is the Expected Value (mean) of the number support #BLM?
support #BLM! 7. Suppose it is known that heights of 8 year old Christmas trees are...
support #BLM! 7. Suppose it is known that heights of 8 year old Christmas trees are approximately normally distributed with a mean of 75.5" and standard deviation o = 8.3". a) [5 pts] What is the probability that a randomly selected tree is taller than 74”? b) [2 pts) If we sample 14 of those trees, what is the standard deviation of the distribution of sample means (ox) for this sample? c) [4 pts) If you sample 14 trees, what...
Suppose it is known that heights of 8 year old Unrisunas trees are approximately normally distributed...
Suppose it is known that heights of 8 year old Unrisunas trees are approximately normally distributed with a mean of 75.5" and standard deviation or = 8.3". [5 pts) What is the probability that a randomly selected tree is taller than 74”? [2 pts] If we sample 14 of those trees, what is the standard deviation of the distribution of sample means for this sample? [4 pts] If you sample 14 trees, what is the probability that the mean height...
AB CD can you pls help me with A,B,C,D The following function is probability mass function....
AB
CD
can you pls help me with A,B,C,D
The following function is probability mass function. f (x) 2x+5 0A5x-0, 1,2,3.4 Determine the mean, μ, and variance, o2, of the random variable. Round your answers to two decimal places (e.g. 98.76) Determine the mean and variance of the random variable with the following probability mass function. f (x) - (8/7) (1/2)X, x- 1,2,3 Round your answers to three decimal places (e.g. 98.765) Mean Variance - Assume that trees are subjected...
I got two of these questions wrong (a) and (c), can you give me the right...
I
got two of these questions wrong (a) and (c), can you give me the
right answers? Please
The table below shows the results of a survey that asked 1050 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Complete parts del trough Support Oppose Unsure Total Males 160 494 Females 231 300 Total 391 627 556 1050 (a) Find the probability that the person opposed the tax...
Can anyone help me by showing the work step by step. 6. Thirty-six percent of U.S....
Can anyone help me by showing the work step by step.
6. Thirty-six percent of U.S. adults have postponed medical checkups or procedures to save who have postponed medical checkups or procedures to save money is (a) (3pts) exactly three, You randomly select nine U.S. adults. Find the probability that the number of U.S. adults (b) (5pts) at most four, (c) (5pts) and more than four.
1) Events A, B, C, and D are mutually exclusive and collectively exhaustive. If P(A or...
1) Events A, B, C, and D are mutually exclusive and collectively exhaustive. If P(A or B) = .44. Circle all of the following that are possible? a) P(C or D) > .56 b) P(C and D) = .56 c) P(A and D) = 0 d) P(A) = .5 2) You have 10 members of a team. How many ways could you pick 3 captains (order does not matter)? a) 720 b) 30 c) 120 ...
pleaee help me out in this question (a.,b,c,d) STA 2023-Worksheet 2 Be sure to show all...
pleaee help me out in this question (a.,b,c,d)
STA 2023-Worksheet 2 Be sure to show all your work for full credit. NO WORK, NO CREDIT. Due by Saturday, March 16th. Round all final answers to two decimal places unless otherwise indicated. Don't round until your final answer! 1. The distribution of heights of 6-year-old girls is approximately normally distributed with a mean of 46.0 inches and a standard deviation of 2.7 inches. Carina is 6 years old, and her height...
2. Consider the following two variables X and Y: 4 a. (2 pts) Find the mean of X, and mean of Y b...
please lease solve all
questions.
2. Consider the following two variables X and Y: 4 a. (2 pts) Find the mean of X, and mean of Y b. (2 pts) Find the standard deviation of X, and standard deviation of Y C. (3 pts) Find the covariance between X and Y d. (2 pts) Find correlation coefficient between X and Y and comment on your answer. 3. The following table shows a random sample of 100 hikers and the areas...
6. If 60% of the U.S. adult population supports the Black Lives Matter (#BLM) movement and you randomly select 25 adults: a) [3 pts) What is the probability that exactly 17 support #BLM? b) [3 pts) What is the probability that of those 25, less than 18 support #BLM c) [3 pts] What is the probability that between 8 and 14 people support #BLM? d) [3 pts) What is the Expected Value (mean) of the number support #BLM? elec 7....
Styles 6. If 60% of the U.S. adult population supports the Black Lives Matter (#BLM) movemen and you randomly select 25 adults: a) [3 pts] What is the probability that exactly 17 support #BLM? b) [3 pts] What is the probability that of those 25, less than 18 support #BLM c) [3 pts] What is the probability that between 8 and 14 people support #BLM? d) (3 pts) What is the Expected Value (mean) of the number support #BLM?
support #BLM! 7. Suppose it is known that heights of 8 year old Christmas trees are approximately normally distributed with a mean of 75.5" and standard deviation o = 8.3". a) [5 pts] What is the probability that a randomly selected tree is taller than 74”? b) [2 pts) If we sample 14 of those trees, what is the standard deviation of the distribution of sample means (ox) for this sample? c) [4 pts) If you sample 14 trees, what...
Suppose it is known that heights of 8 year old Unrisunas trees are approximately normally distributed with a mean of 75.5" and standard deviation or = 8.3". [5 pts) What is the probability that a randomly selected tree is taller than 74”? [2 pts] If we sample 14 of those trees, what is the standard deviation of the distribution of sample means for this sample? [4 pts] If you sample 14 trees, what is the probability that the mean height...
AB
CD
can you pls help me with A,B,C,D
The following function is probability mass function. f (x) 2x+5 0A5x-0, 1,2,3.4 Determine the mean, μ, and variance, o2, of the random variable. Round your answers to two decimal places (e.g. 98.76) Determine the mean and variance of the random variable with the following probability mass function. f (x) - (8/7) (1/2)X, x- 1,2,3 Round your answers to three decimal places (e.g. 98.765) Mean Variance - Assume that trees are subjected...
I
got two of these questions wrong (a) and (c), can you give me the
right answers? Please
The table below shows the results of a survey that asked 1050 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Complete parts del trough Support Oppose Unsure Total Males 160 494 Females 231 300 Total 391 627 556 1050 (a) Find the probability that the person opposed the tax...
Can anyone help me by showing the work step by step.
6. Thirty-six percent of U.S. adults have postponed medical checkups or procedures to save who have postponed medical checkups or procedures to save money is (a) (3pts) exactly three, You randomly select nine U.S. adults. Find the probability that the number of U.S. adults (b) (5pts) at most four, (c) (5pts) and more than four.
pleaee help me out in this question (a.,b,c,d)
STA 2023-Worksheet 2 Be sure to show all your work for full credit. NO WORK, NO CREDIT. Due by Saturday, March 16th. Round all final answers to two decimal places unless otherwise indicated. Don't round until your final answer! 1. The distribution of heights of 6-year-old girls is approximately normally distributed with a mean of 46.0 inches and a standard deviation of 2.7 inches. Carina is 6 years old, and her height...
please lease solve all
questions.
2. Consider the following two variables X and Y: 4 a. (2 pts) Find the mean of X, and mean of Y b. (2 pts) Find the standard deviation of X, and standard deviation of Y C. (3 pts) Find the covariance between X and Y d. (2 pts) Find correlation coefficient between X and Y and comment on your answer. 3. The following table shows a random sample of 100 hikers and the areas...
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