User Account

All Pages

Statistics-probability-random sample

Assignment Help Basic Statistics
Reference no: EM1399468

The mean weight of newborn babies in a Long Island Community is 7.5 lbs with a standard deviation of 1.4 lbs. What is the probability that a random sample of 49 babies has a sample mean weight of at least 7.2lbs?

Reference no: EM1399468

Questions Cloud

Determine how much energy will be required : Determine how much energy will be required to heat 69.7 gal of H 2 O from 22 degree Celsius to 110 degree Celsius if it is given that 1.00 gal weighs 3.77 kg and water has a specific heat capacity =4.184 J/g C
Nominal rate semi-annual compounding : Find the present value of $600 owing in the future under each of three conditions a) 5% nominal rate semi-annual compounding discounted back 7 years.
Determine the actual yield : determine the actual yield If the percent yield of the reaction in B was 91% describes the oxidation of ethanol (C 2 H 5 OH) to acetic acid (CH 3 COOH) by potassium permanganate (KMn04
Illustrate what is her recognized gain or loss : she sold 48 shares, which could not be specifically identified, for $576 and on December 8, 2011, she sold another 25 shares for $188. Illustrate what is her recognized gain or loss?
Statistics-probability-random sample : The mean weight of newborn babies in a Long Island Community is 7.5 lbs with a standard deviation of 1.4 lbs. What is the probability that a random sample of 49 babies has a sample mean weight of at least 7.2lbs?
Normal distribution and lenghth of calls : An analysis of 1,000 cellular phone calls made from company phones at the offices of Kant, Taekitini, Moore, LLC reveals that the length of these calls is normally distributed, with m = 240 seconds and s = 40 seconds.
Identify leadership styles associated with path goal theory : Identify four leadership styles associated with path-goal theory. Explain each style and relate it to styles described in other theories. Can leaders exhibit more than one style?
Describes the primary function of inflammatory cells : Which of the following terms best describes the primary function of inflammatory cells in this pateint's alveolar air spaces.
Find out if the correlation is statistically significant : Using the formula for t, calculate the t-value and using the t-distribution found at the link below, find out if the correlation is statistically significant. Do you have any concerns about using the test?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics on skin cancer malignancies

There is some concern that exposure to gases used in anesthesiology might be harming health of anesthesiologists. In one study of 525 Michigan nurse anesthesiologists, 10 reported a new malignancy other than skin cancer during the previous year.

  Identifying sampling types

The personnel manager at a company wants to investigate job satisfaction among the female employees. One evening after a meeting, she talks to all 30 female employees who attended the meeting.

  Question about probability theory

In a sample of 1,000 representing a survey from the entire population, 650 people were from Laketown, and the rest of the people were from River City.

  Evaluate area under the standard normal curve

Evaluate the area under the standard normal curve that lies to the left of z = - 3.49 and simple random sample of size

  Measure of central tendency for statistical data

Does all statistical data have a mean, median, or mode? Why? When is the mean the best measure of central tendency? When is the median the best measure of central tendency?

  Interpretation of regression coefficients-r square

What is the interpretation of the coefficients that emerge from the regression equation. Can you predict a change in the y variable given knowledge of the x variable?

  Case study: are the fish safe to eat?

CASE STUDY: Are the Fish Safe to Eat?  Assessing which Factors affect Mercury Levels in Fish in Maine Lakes.

  Theorem of central limit

The average balance for customer accounts in The Reserve Fund at the time it was frozen by the Securities Exchange Commission (SEC) was $22,500, with a standard deviation of $7,500.

  To build up the linear programming model

Three times each year, the procurement manager at Phoenix contacts National\'s marketing department to place a monthly order for each of the coming four months.

  Compute the value of the test statistic

Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)

  Recognizing independent variable and dependent variable

Recognize independent variable and dependent variable for this experiment. Think in your head what influences what? Or, what causes what? Cause is independent variable.

  Average rate charged by credit cards

Test the financial analyst's belief that the average rate charged by credit cards with monthly fees is less than 14%. Use a 5% significance level.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd