a survey found that 10% of americans believe that they have seen a UFO FOR A...
a survey found that 10% of americans believe that they have seen a UFO FOR A EXAMPLE OF 10 PEOPLE FIND EACH PROBALILITY THAT 2 OR 3 PEOPLE BELIEVE THAT THEY HAVE SEEN A UFO
Homework Answers
here this is binomial distribution with parameter n=10 and p=0.1
PROBALILITY THAT 2 OR 3 PEOPLE BELIEVE THAT THEY HAVE SEEN A UFO
=P(X=2)+P(X=3)=10C2(0.1)2(0.9)8+10C3(0.1)3(0.9)7=0.193710+0.057396=0.251106
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a survey found that 10% of americans believe that they have seen
a UFO FOR A...
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is...
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 3 in every one thousand. Formulate the null and alternative hypotheses for a hypothesis test. O A. Ho: p = 0.003 Hg: p<0.003 O B. Ho:p>0.003 He: p=0.003 0 C. Ho:p < 0.003 Ha: p = 0.003 OD. Ho: p = 0.003 Ha:p> 0.003
Previous 1 2 3 4 5 Next Question 1 of 5 (1 point) View problem in...
Previous 1 2 3 4 5 Next Question 1 of 5 (1 point) View problem in a pop-up 5.3 Section Exercise 7 A survey found that 20% of people believe that they have seen a UFO. Choose a sample of 15 people at random. Find the probability of the following. Round intermediate calculations and final answers to three decimal places. Part 1 out of 3 At least 3 people believe that they have seen a UFO P(at least 3 people...
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A survey of 848 Americans found that 441 do not believe President Trump’s assertion that there...
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Exercise 2 Apoll done for Newsweek found that 13% of Americans have seen or sensed the...
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A survey of 848 Americans found that 441 do not believe President Trump's assertion that there is a crisis on the Mexican-US border. (https://www.independent.co.uk/news/world/americas/us-politics/trump-shutdown-latest border-wall-poll-support-tweets-republicans-democrats-graham-pelosi-a8726206.html) (a) As a Democrat, you believe that a majority of Americans do not believe Trump's assertion of a crisis at the US-Mexican border and want to confirm your belief. Perform a test at the 0.05 level of significance using a manual calculation of the appropriate (1-sided) confidence interval for the proportion of Americans who do...
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A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 3 in every one thousand. Formulate the null and alternative hypotheses for a hypothesis test. O A. Ho: p = 0.003 Hg: p<0.003 O B. Ho:p>0.003 He: p=0.003 0 C. Ho:p < 0.003 Ha: p = 0.003 OD. Ho: p = 0.003 Ha:p> 0.003
Previous 1 2 3 4 5 Next Question 1 of 5 (1 point) View problem in a pop-up 5.3 Section Exercise 7 A survey found that 20% of people believe that they have seen a UFO. Choose a sample of 15 people at random. Find the probability of the following. Round intermediate calculations and final answers to three decimal places. Part 1 out of 3 At least 3 people believe that they have seen a UFO P(at least 3 people...
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