12/31/20

Find sin(A−B) given that cosA=1/3, with A in quadrant I, and sinB=−1/2, with B in quadrant IV.
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12/31/20

probability question

The moderator of a forum discussion s assigning seats to the six participants. If the seats are arranged in linear fashion, determine the probability that Dr. Sarah and Dr. Mathew are seated next... more
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12/30/20

independent differences

You wish to test the following claim (HaHa) at a significance level of α=0.10.      Ho:μ1=μ2       Ha:μ1≠μ2You believe both populations are normally distributed, but you do not know the standard... more
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12/30/20

independent differences
You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005.      Ho:μ1=μ2       Ha:μ1≠μ2You believe both populations are normally distributed, but you do not know the... more
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12/30/20

complete the square to rewrite the equation in the form (x−h)2=p. x2+6x−18=0 what is the equation in (x−h)2=p form?
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12/30/20

test with independent differences

You wish to test the following claim (Ha) at a significance level of α=0.001.      Ho:μ1=μ2       Ha:μ1>μ2You believe both populations are normally distributed, but you do not know the standard... more
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12/30/20

tests involving independent differences

you wish to test the following claim (Ha) at a significance level of α=0.10.      Ho:μ1=μ2       Ha:μ1≠μ2You believe both populations are normally distributed, but you do not know the standard... more
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12/30/20

Write a 200 word response to one of the following topics. Be sure to identify which film you have chosen to view and discuss in your topic sentence.
Choose from one of the 3 choices below. You may need to do a little research on a specific term or element. 1. Discuss one of the following literary terms and its contribution to the... more
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12/30/20

tests involving paired differences

You wish to test the following claim (HaHa) at a significance level of α=0.05. For the context of this problem, μd=μ2−μ1 where the first data set represents a pre-test and the second data set... more
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12/29/20

tests involving paired differences

A survey of 35 people was conducted to compare their self-reported height to their actual height. The difference between reported height and actual height was calculated.You're testing the claim... more
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12/29/20

tests involving paired differences

You are performing a right-tailed matched-pairs test with 13 pairs of data.If α=.025, find the critical value, to two decimal places
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12/28/20

test interval or ratio

are normal classroom tests/quizzes interval or ratio data?
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12/28/20

statistical testing
The manufacturer of a particular brand of tires claims they average at least 50,000 miles before needing to be replaced. From past studies of this tire, it is known that the population standard... more
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12/26/20

Answer in details for 10marks
(ii) a) 36 out of 100 persons interviewed are familiar with the tax incentives given by the government for installing solar panels, construct a 96 % traditional confidence interval for the... more
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12/24/20

creating linear inequalities

Travis practices his guitar for at least 10 hours per week. He practices for half an hour each session. If Travis has already practiced for 4 hours this week, how many more sessions remain for him... more
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12/24/20

Solve for Functions

Solve for F(-1)-f(3)=-3x^2+4x+1
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12/23/20

isosceles triangle
Isosceles triangle △ABC has congruent angles at B and C. If BC¯¯¯¯¯¯¯¯ is bisected at D and AD¯¯¯¯¯¯¯¯ is drawn, by the side, side, side triangle congruence postulate, _____.(1... more
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12/22/20

Help me, please!!! Thank you so much!
A SpaceX rocket has launched from Virginia, and I am watching it from5 miles away. When the rocket is 8 miles in the air(assuming it goes straight up, which it doesn’t really ), what is the angle... more
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12/22/20

sampling distribution

A quality control company was hired to study the length of meter sticks produced by a certain company. The team carefully measured the length of many many meter sticks, and the distribution seems... more
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12/22/20

estimating mu when sigma is unknown

In a survey, 21 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $39 and standard deviation of $7. Find the margin of... more
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12/22/20

A regular polygon will have how many sides if each exterior angle measures 8 degrees?
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12/22/20

estimating mu when sigma is unknown
For a confidence level of 90% with a sample size of 10, find the critical t value.
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12/22/20

sampling distributions
A particular fruit's weights are normally distributed, with a mean of 613 grams and a standard deviation of 33 grams.If you pick 18 fruit at random, what is the probability that their mean weight... more
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12/22/20

STATISTICS: Ho and Ha
if ho is stated as ho: μ less than or equal to 8.0, give Ha and indicate whether test will be left tailed right tailed or two tailed and why
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12/21/20

5•sin(65) rounded to the nearest tenth of a foot

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