In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 21% of your total grade, each major test is worth 20.5%, and the final exam is worth 38%. Compute the weighted average for the following scores: 91 on the lab, 71 on the first major test, 69 on the second major test, and 86 on the final exam.

Q: Industry experience dictates that it is related to various factors of which the number of beds in…

A: From the above data.  Denote X as the number of beds Denote y is the admissions(100)

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A: For the given data Perform paired t test

Q: The owner of a chain of mini-markets wants to compare the sales performance of two of her stores,…

A: Claim : the owner conclude that the mean daily sales of the two stores differ

Q: he number of stores that must be sampled is

A: Given : Margin of error=E=0.05 Significance level=α=0.10 Our aim is to find the number of stores…

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A: Given, total residents = 225 135 are in favor of block party.

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Q: The information below shows the number of hours Sarah worked out each month. March = 2 1/4 April =…

A: Given, number of hours Sarah worked out each month. March = 2 1/4 = 2.25  April = 2.6…

Q: A September, 2014, survey indicated that 53% of U.S. adults aged 18–29 used the social media…

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Q: A benchmark index has three stocks priced at $23, $43, and $56. The number of outstanding shares for…

A: Given,  The Benchmark index has three stocks priced at $23, $43, and $56. and number of outstanding…

Q: A friend who lives in Los Angeles makes frequent consulting trips to Washington, D.C.; 40% of the…

A:

Q: A company that operated 10 hours a day manufactures two products on three sequential processes. The…

A: Let us take the number of product 1 as x and product 2 as y

Q: Use the scatterplot of Vehicle Registrations below to answer the questions Vehicle Registrations in…

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Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: In an agricultural experiment, the effects of two fertilizers on the production of limes were…

A: Introduction:

Q: Week 1 Week 2 Week 3 Week 4 Total Box springs 35 40 55 Mattresses 47 61 68 198 Total 82 101 88 77…

A: It is an important part of statistics. It is widely used.

Q: The administrators of a hospital are interested in estimating the total of their hospital. Industry…

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Q: The test statistic for the rhino data, x^2= 3.85, suggests that:

A: Given that, The test statistic for the rhino data, x^2= 3.85,

Q: An assortment of coins contains 14 pennies, 16 nickels, 9 dimes, and 11 quarters. To three…

A: 1 penny = $0.01 1 nickel = $0.05 1 dime = $0.1 1 quarter = $0.25 Number of coins that have face…

Q: If Gena's score is 85, the class average is 82, and the SD is 4, what is Gena's Z-score?

A: If Gena's score is 85, the class average is 82, and the SD is 4, what is Gena's Z-score?

Q: If a person’s z score equals 2.08, what is their percentile?

A: Given info: The person’s z score equals 2.08.

Q: If you double the sample size in a poll, what effect does that have on the margin of error? By what…

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Q: Elizabeth has taken 3 exams so far for her sociology class. The first test is worth 35% of her…

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Q: If the average of z and 5z is 30, what is the value of a?

A: Given that avarage value of z and 5z is 30.

Q: To assess the quality of recent research, which of the following question can be asked?

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Q: The boxplot below shows salaries for Actuaries and CPAS. СРА Actuary 30 40 50 60 70 80 90 100 110…

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Q: College instructors who adopt this book are (we hope!) twice as likely to continue to use the book…

A: Consider the provided question, Let the problem be modeled as Markov chain with states Users (U) and…

Q: A. can only display numerical data, while a can display categorical data.

A: Our aim is to fill the blanks.

Q: if you answer 36 problems correctly on a 42 question test what percentage of the problems did you…

A: if you answer 36 problems correctly on a 42 question test what percentage of the problems did you…

Q: Paradise Resort has a total of 350 lounge chairs. If 210 chairs are under umbrellas, what percent of…

A:

Q: A sociologist wants to determine if the life expectancy of people in Africa is less than the life…

A:

Q: Two factory plants are making TV panels. Yesterday, Plant A produced 8000 panels. Ten percent of the…

A:

Q: If Amy spends the whole day swimming every Friday, and only Friday, what percentage of her days in a…

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Q: The owner of a chain of mini-markets wants to compare the sales performance of two of her stores,…

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Q: (a) State the null hypothesis H0 and the alternative hypothesis H1 . H0: H1: (b) Determine the type…

A: The given difference is 410, 174, 282, 34, 272, 181, 18, 297.

Q: The following table shows the price (in RM) and quantity (in kg) of four different items bought by…

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Q: Two factory plants are making tv panels. Yesterday, plant A produced 8000 panels. Seven percent of…

A: It is given that plant A produced 8000 panels yesterday.The total production of panels will be 8000…

Q: Use the contingency table to solve the problem. Blood Type A B АВ Total Female 48 44 15 Sex Male 43…

A:

Q: The owner of a chain of mini-markets wants to compare the sales performance of two of her stores,…

A: From the provided information, Sample size (n) = 10 Level of significance (α) = 0.05

Q: Because the total population in 2050 is much larger than the Comparison of Population in the United…

A: The solution is in the image uploaded below:

Q: A set of n = 10 pairs of scores has ΣX = 20, ΣY = 30, and ΣXY = 74. What is the value of SP for…

A: It is given that ΣX = 20, ΣY = 30, and ΣXY = 74.

Q: The table shows the number of bikes sold at a store during a three-year period. Year Number Sold…

A: We will find the number of scooters sold in year 4 in the following step.

Q: presents the numbers of coples sold in 2012 for each of the eight best-selling video games. Game…

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Q: Two factory plants are making TV panels. Yesterday, Plant A produced 6000 panels. Ten percent of the…

A: Two factory plants are making TV panels. Yesterday, Plant A produced 6000 panels. Ten percent of the…

Q: The accompanying table shows the numbers of male and female students in a particular country who…

A:

Q: The table below sows the number of hate crimes for 2007 to 2018. The value for 2007 is slightly…

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Q: In a biology study, the appearance of an animal when carrying a certain gene is recorded. Assume…

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A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.