Statistics question and answers for October 14, 2023
- Q 3 Suppose that the number of ounces x of ground coffee that is packaged into cans by a dispenser is normally distributed with a mean of 48 and a standard...
- Q If the area to the left of z in a normal distribution is 0 2 what is the area to the right of x Answer If the area to the...
- Q A commonly cited standard for one way length duration of school bus rides for elementary school children is 30 minutes A local government office in a rural area conducts a...
- Q A 2011 survey by the Bureau of Labor Statistics reported that 91 of Americans have paid leave In January 2012 a random survey of 1000 workers showed that 89 had...
- Q ions Exan tion of the number of televisions in the homes of 90 community college students a According to the histogram about how many homes do not have a television...
- Q magazine com 2011 11 what we know about wealth a In truth the top fifth in terms of wealth actually held about what per centage of the wealth b Which...
- Q 2 6 Exercise Hours The histogram shows the distribution of self reported numbers of hours of exercise per week for 50 commu nity college students This graph uses a right...
- Q 2 2 Cholesterol Levels The dotplot shows the cholesterol level of 93 adults from the 2010 NHANES data 0 000 50 100 150 200 250 300 350 400 450 500...
- Q Data from the Bureau of Labor Statistics indicates that in a certain month 37 3 of the labor force had a high school diploma or fewer years of education 26...
- Q 6 10 points John and Jim are two brothers and they are going to the same school According to the past experience on each morning the probability that John is...
- Q 1 000 Simulate this model for 50 trials and a production quantity of 140 What is the average profit proposal and determine a distribution of profits using the provided discrete...
- Q A student was asked to find a 99 confidence interval for the proportion of students who take notes using data from a random sample of size n 81 Which of...
- Q A student was asked to find a 90 confidence interval for the proportion of Students who take notes using data from a random sample of size n 75 Which of...
- Q A student was asked to find a 90 confidence interval for widget width using data from a random sample of size n 27 Which of the following is a correct...
- Q 14 Following is an incomplete table showing the results of a survey of students some of whom wore good luck amulets while taking their recent math exam the table A...
- Q probability in each case a Two coins are tossed E The first coin comes up heads F The result is no heads P E F Check Clear Give the exact...
- Q Its of a new acne medication Condition improved 1 No change N Condition worse W c P LON Total Check Clear Used medication M Used placebo L 400 500 400...
- Q in each case You may be given more information than you need a P E F 8 P FE 364 P En F 2 P F Check Clear Accurate to...
- Q monog he Moon is in the Seventh House or both 81 of the time a What percentage of time is the moon is in the Seventh House at the same...
- Q Determine whether the events E and F are independent in each case a P E 95 P F 50 P En F 480 b P E 35 P F 46...
- Q wo dice one red one green are cast and the uppermost numbers are observed Test the given events for independence in each case E The red die comes up 3...
- Q 13 Here is a table showing fictitious trial results of a new acne medication a P IM Condition improved 1 No change N Condition worse W Check Clear Give the...
- Q 3 Here is a table showing the auction prices of a collection of very rare paint by number reproductions of Jackson Pollock paintings Price 0 999 1 000 1999 2...
- Q Calculate the modeled probability in each case Assume coins and dice are distinguishable and fair All answers should be exact use fractions rather than ecimal approximations a n S 180...
- Q 1 In each of the following find the cardinali a 4 coins are tossed E The resul n S Check n E Check
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