Pre-Calculus

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In a survey of 2001 people, 52% did not give another person
In a survey of 2001 people, 52% did not give another person a hug because they are an introvert. Test that claim ( majority of people did not give a hug because there are an introvert)some steps… read more
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We want to conduct a hypothesis test of the claim that for
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2 questions Suppose a university advertises that its average
for Scott, 2 questionsSuppose a university advertises that its average class size is 31 or less. A student organization is concerned that budget cuts have led to increased class sizes and would like t… read more
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2 questions A recent survey by the research institute showed
2 questions A recent survey by the research institute showed that 63​% of users of online dating sites say the number one thing​ they're looking for in a date or partner is common interests. Suppose y… read more
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We want to conduct a hypothesis test of the claim that the
We want to conduct a hypothesis test of the claim that the population mean reading speed of second graders is different from 28.6 words per minute. So, we choose a random sample of students' reading s… read more
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2 questions A sporting goods store believes the average age
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In order to restructure its entertainment activities, Bear
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COLLEGE STATISTICS PROBLEM A community college Math
COLLEGE STATISTICS PROBLEMA community college Math instructor feels that the average age of community college students decreased since they started teaching 25 years ago. Looking up data from the year… read more
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A simple random sample of 4242 adults is obtained from a
A simple random sample of 4242 adults is obtained from a normally distributed​ population, and each​ person's red blood cell count​ (in cells per​ microliter) is measured. The sample mean is 5.235.23 … read more
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An insurance company claims the average car on the road is
An insurance company claims the average car on the road is less than 6 years old. Based on a random sample of 15 cars, the mean age is 5.8 years with a standard deviation of 1.1 years. Does the sample… read more
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Question 1 of 40 2.5 Points A consumer group claims that the
Question 1 of 40 2.5 Points A consumer group claims that the mean running time for a certain type of flashlight battery is not the same as the manufacturer's claims. Determine the null and alternative… read more
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Question 1 Assume that the weight loss first month
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Question 1 of 40 2.5 PointsA two-tailed test is conducted
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hi do you still have the answers to the these questions Assume
hi do you still have the answers to the these questions Assume the following data were gathered by a manufacturer of a robotics component, in units of days of continuous use until the component fails.… read more
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I see where you have already answered a homework assignment the same as this. Please let me know what the charge will be to get the answers. Questions 1 to 20: Select the best answer to each question.… read more
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"For John Only " Hi John.. I noticed you have answered
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Please not that a proper conclusion specific to the problem
Please not that a proper conclusion specific to the problem at hand must be provided for each answer. (Example: If a question asks, what is the probability of selecting a worker at random and finding … read more
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I have the data for the below referenced analyis but it is
I have the data for the below referenced analyis but it is excel. Need your help again. Need it by Tomorrow at noon. Thanks John. Data Analysis Use binomial or normal probabilities We will learn that … read more
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