It has been reported that 40 of U S workers employed as purchasing managers are females In a simple random sample of U S purchasing managers, 70 out of the 200 are females Given this information a What is the population proportion, b What is the sample proportion, p c What is the standard error of the sample proportion d In the sampling distribution of the proportion, what is the probability that a sample of this size would result in a sample proportion at least as large as that found in part (b)

Question: It has been reported that 40% of U.S. workers employed as purchasing managers are females. In a simple random sample of U.S. purchasing managers, 70

It has been reported that 40% of U.S. workers employed as purchasing managers are females. In a simple random sample of U.S. purchasing managers, 70 out of the 200 are females. Given this information:
a. What is the population proportion, π?
b. What is the sample proportion, p?
c. What is the standard error of the sample proportion?
d. In the sampling distribution of the proportion, what is the probability that a sample of this size would result in a sample proportion at least as large as that found in part (b)?

Step by Step Solution

★★★★★

3.37 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a p 040 population ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

522-M-S-S-D (1853).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

It has been reported that 40% of adult Americans have made at least one common stock purchase within the past year, 60% have not. You survey 1000 randomly selected adult Americans and find the 486...

It has been reported that women end up unhappier than men later in life, even though they start out happier (Yahoo News, August 1, 2008). Early in life, women are more likely to fulfill their family...

It has been reported that 59.3% of U.S. school lunches served are free or at a reduced price. A random sample of 300 children in a large metropolitan area indicated that 156 of them received lunch...

8.25 It has been reported that 40% of U.S. workers employed as purchasing managers are females. In a simple random sample of U.S. purchasing managers, 70 out of the 200 are females. Given this...

8.7 A random variable is normally distributed with mean $1500 and standard deviation $100. Determine the standard error of the sampling distribution of the mean for simple random samples with the...

8.14 From past experience, an airline has found the luggage weight for individual air travelers on its trans- Atlantic route to have a mean of 80 pounds and a standard deviation of 20 pounds. The...

please do fast:- According to the U.S. Bureau of Labor Statistics, 7.0%% of female hourly workers who are 16 to 24 years old are being paid minimum wage or less. (Note that some workers in some...

CHAPTER 9 Hypothesis Tests CONTENTS 9.4 POPULATION MEAN: UNKNOWN One-Tailed Test Two-Tailed Test Summary and Practical Advice 9.5 POPULATION PROPORTION Summary 9.6 HYPOTHESIS TESTING AND DECISION...

1 About 70% of Coca Cola revenues and profits come from sales outside the US.Thereforeas the US currency loses value relative to the other main international currencies like the Japanese yen, euro,...

Business Research MethodologyQuestion Bank 1 1. When the marketing department of an organization attempts to determine the amount of time the managers in this department spend at their computers in...

You are analyzing the Victoria Inc. (VI) stock. Assume that VI's required rate of return is 15 percent. Assume that VI is a constant growth company whose last dividend D0, was $3.0, and whose...

Consider the circuit of Fig. 4.23(a). In Example 4.5 it was found that when V, 1 V and k;(W/L) = 1 mA/V, the drain current is 0.5 mA and the drain voltage is +7 V. If the tran- sistor is replaced...

What is the difference between a statistic and a parameter?

Identify the key nonqualified plan design considerations.

An experimental drug is administered to 100 randomly selected individuals, with the number of individuals responding favorably recorded.

A poll of 1200 registered voters is conducted in which the respondents are asked whether they believe Congress should reform Social Security.

Three cards are selected from a standard 52-card deck without replacement. The number of aces selected is recorded.

Implement a function, solve_neq(X, y) that implements Algorithm 1. It should return a Numpy vector containing the model parameter estimates. Steps of the algorithm: Your algorithm should carry out...

The Here Today Corporation has applied to your bank for a loan. You have their financial statements and the Z-score model of: Z = 6.56*(Net Working Capital/Total Assets) + 3.26*(Accumulated Retained...

An analyst gathers the following information about Meyer, Inc.: Meyer has 1,900 shares of 10% cumulative preferred stock outstanding, with a par value of $100 and liquidation value of $110. Meyer has...