What is the probability of randomly selecting a teenager who daily spends between 3.25 and 5.77 hours on screen? Round your answer to three decimal places.

The following is a sample of 20 test scores from a math class: 52, 62, 63, 66, 68, 72, 74, 76, 76, 78, 82, 84, 84, 86, 88, 92, 96,101,105, 110. Find Five Number Summary. Show work.

Do you think your gender affects what type of pet you own? Use the following table, showing preferences for various pets by owner gender Pets and Owners Gender of the owner Cats Dogs Other Pets Total Male 100 50 30 180 Female 50 50 20 120 Total 150 100 50 300 Find the probability that a randomly chosen person owns a dog, given that the person is a male . Round your answer to three decimal places if needed.

Based on the histogram, what is the size of the set of data (use proper notation)? Is the given set a population or a sample?

A population has mean μ = 26 and standard deviation σ = 5. Round the answers to two decimal places as needed. Find the z-score for a population value of 12.3.

Arrangement of nucleotides in DNA can be seen using which of the following instruments? A) NMRB) Light microscopeC) X-Ray crystallographyD) Ultracentrifuge

Which statement explains the cleaning action of soap on greasy dishes? A) the soap changes the water-solubility of the grease so that it is easily dissolved by the waterB) the soap hydrates the grease with its polar head groups and holds it in suspensionC) the soap chemically breaks down the grease into smaller, more water-soluble moleculesD) the grease is trapped inside the hydrophobic interior of micelles made of soap molecules

Step one of the citric acid cycle is regulated through feedback inhibition by: A) NAD+                     B) Citrate C) Acetyl-CoA                        D) Oxaloacetate

Which of the following statements about ketone body formation is false? A) During prolonged starvation, the body adapts and uses ketone bodies as fuel. B) Oxaloacetate in the liver can be preferentially used for gluconeogenesis. C) Ketone bodies can be converted to acetyl-CoA and used as a fuel source for fatty acid synthesis. D) Ketone bodies can be converted to acetyl-CoA and used as a fuel source for gluconeogenesis.

How many protons approximately must be moved into the matrix for synthesis of 1 ATP? A) 1 B) 2 C) 3 D) 6