Would it be unusual if less than 21% of the freshmen in the sample of 140 were planning to major in a STEM discipline?It would not ▼be unusual if less than 21% of the freshmen in the sample of 140 wereplanning to major in a STEM discipline, since the probability is Future scientists: Education professionals refer to science, technology, engineering, and mathematics as the STEM disciplines. Aresearch group reported that 28% of freshmen entering college in a recent year planned to major in a STEM discipline. A randomsample of 90 freshmen is selected. Round the answer to least four decimal places.

Sample size=n=140=P=0.28=0.0379

Answered: Future scientists: Education…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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College bound: In a recent year, the Statistical Abstract of the United States reported that 70% of students who graduated from high school enrolled in college. Fifteen high school graduates are sampled. Round the answers to at least four decimal places.
About 7% of the population has a particular genetic mutation. 100 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups of 100. (Round to 2 decimal places if possible.)
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Read the scenario below. Identify the population and sample. Then determine if the bolded value is a parameter or a statistic. Use the appropriate symbol in your answer. A 1993 survey conducted by the Richmond Times-Dispatch one week before Election Day asked voters which candidate for the state's attorney general they would vote for. 37% of the respondents said they would vote for the Democratic candidate. On Election Day, 41% actually voted for the Democratic candidate. The population is The sample is This is a scenario involving The symbol goes with 37% because 37% is a The symbol v goes with 41% because 41% is a
Information about a sample is used to make a prediction about the population. This type of statistical analysis is referred to as: Descriptive Statistics Mathematical Certainty Deductive Reasoning Inferential Statistics Sampling Statistics
The 2004 General Social Survey asked a random sample of 977 adult Americans how often they feel rushed, with three options to choose from: always, sometimes, and never. The sample result was that 304 of the 977 people responded "always." Calculate the value of the test statistic by hand. Round the sample proportion and the hypothesized value of the proportion to THREE decimal places. Round the final answer to TWO decimal places.
Determine whether the underlined number is a statistic or a parameter. in a study of all 4622 professors at a college, it is found that 40% own a television.
Net Worth. The Board of Governors of the Federal Reserve System publishes information on family net worth in the Survey of Consumer Finances. In 2010, the mean net worth of families in the United States was $498.8 thousand and the median net worth was $77.3 thousand. Which measure of center do you think is more appropriate? Explain your answer.
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