Bigpapi776 Bigpapi776

12-01-2020
Mathematics

contestada

The weight of laboratory mice follows a normal distribution, with a mean of 0.68 ounce and a standard deviation of 0.02 ounce. What percentage of the mice weigh between 0.62 ounce and 0.74 ounce?

A.99.7%
B.95%
C.68%
D.47.5%
E.34%

Respuesta :

MathPhys MathPhys

12-01-2020

Answer:

A.99.7%

Step-by-step explanation:

Calculate each z-score.

z = (x − μ) / σ

z = (0.74 − 0.68) / 0.02

z = 3

z = (x − μ) / σ

z = (0.62 − 0.68) / 0.02

z = -3

You can use a z-score table, or use the empirical rule.

P(-3 < z < 3) = 99.7%.

Answer Link

Otras preguntas

Between the 1500s and the mid-1800s, Native Americans experienced a ________, or the deliberate and systematic attempt to eradicate a group of people, at the ha

When marketing objectives are attainable and challenging, they motivate those charged with achieving the objectives. Question 2 options: True False

Open market operations, by definition, involve the Group of answer choices Federal Reserve dictating the discount rate to influence the money supply. purchase o

Wanda Workout stopped at the local store to purchase a new pair of running shoes after her strenuous jog that morning. The salesman noticed Wanda looking at a p

Multiply Conjugates Using the Product of Conjugates Pattern In the following exercises, multiply each pair of conjugates using the Product of Conjugates Pattern

The sum of three numbers is 780. One of the numbers, n, is 50% more than the sum of the other two numbers. What is the value of n?

Which of the following words mean the same thing, literally? A. Sloppy and messy B. Happy and loving C. Soft and harsh D. Pro and amateur

Find the value of b.

The question is attached in the picture below. Pls help ASAP

Homologous chromosomes ________. Homologous chromosomes ________. carry genes controlling the same inherited characteristics carry the same versions of all gene