1 in a recent year scores on a standardized test for, Ask an Expert

Statistics

1. In a recent year, scores on a standardized test for highschool students with a 3.50 to 4.00 gpa were normally distributed, with a mean of 38.2 and a standard deviation of 1.8. A student with a 3.50 to 4.00 gpa who took the standardized test is randomly selected.

Find the probability that the student's test score is less than 36.

(Round to four decimal points.)

2. . The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 201 milligrams per deciliter and a standard deviation of 38.8 milligrams per deciliter.

a) What percent of the men have a total cholesterol level less than 232 milligrams per deciliter of blood?

b) If 245 men in the 35-44 age group are randomly selected, about how many would you expect to have a total cholesterol level greater than 264 milligrams per deciliter of blood?

(Round to two decimal places.)

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91014844

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A student is to be selected randomly from a group of

A student is to be selected randomly from a group of students. For each classification of freshman and sophomore, there is a math major, an art major, and a biology major. The probability of each individual being selecte ...

1 to investigate the ecological impact of parasite

1. To investigate the ecological impact of parasite infections, scientists measured the distance that infected western fence lizards, Scelopons occidentalis , ran in two minutes against a control group of uninfected liz ...

What is the annual coupon rate of a 7-year corporate bond

What is the annual coupon rate of a 7-year corporate bond given that its current price is $930, par = 1,000, semi-annual coupon, YTM=10%?

Answer as thourough as possibleconsider an airline whose

Answer as thourough as possible. Consider an airline whose bottom line is sensitive to volatile jet fuel prices. To reduce the volatility, management decides to use derivatives to hedge the cost of jet fuel. The risk man ...

A researcher wants to determine if there is a relationship

A researcher wants to determine if there is a relationship between media outlet (social media, newspapers, and radio) and interest in media by population group (youth, young adults, and older adults). What type of statis ...

A jar of peanut butter contains 451 grams with a standard

A jar of peanut butter contains 451 grams with a standard deviation of 10.6 grams. Assuming a normal distribution, find the probability that a jar contains less than 448 grams.

Matterhorn inc had the following sales for the past six

Matterhorn, Inc. had the following sales for the past six months. Matterhorn collects its credit sales 30% in the month of sale, 60% one month after the sale, and 10% two months after the sale. Cash Sales Credit Sales Ja ...

The table below shows the results of a survey in which

The table below shows the results of a survey in which 2556 adults from Country? A, 1107 adults from Country? B, and 1060 adults from Country C were asked if human activity contributes to global warming. Complete parts? ...

Suppose that in a random sample of 100 men between the ages

Suppose that, in a random sample of 100 men between the ages of 60 and 79, you found that 20 had heart disease. According to the central limit theorem, the sample proportion arises from a sampling distribution that is no ...

You want to you want to estimate the mean weight of

You want to you want to estimate the mean weight of quarters in circulation. A sample of 30 quarters has a mean weight of 5.649 grams in a standard deviation of 0.066 gram. Use a single value to estimate the mean weight ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert