You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly more than 0.46. Your sample data produce the test statistic z=1.883. Find the p-value accurate to 4 decimal places.

Q: A College Alcohol Study believes that there is a difference in the percentage of women and men that…

A: Given that, n1=1000,n2=1000 The type of test is two tailed test The value of test statistic is, z =…

Q: Find the z-score that cuts off 70% in the body on the right.

A:

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: From the given information, the sample of 60 men, 30% own cats. The sample of 140 women, 25% own…

Q: A report statesb that 45% of home owners had a vegetable garden, how large a sample is needed to…

A: Answer: From the given data, population proportion (P) =45% = 0.45 Margin of error (ME) = 6% = 0.06…

Q: A DNP student wants to evaluate the change in knowledge scores of a group of cardiac patients after…

A: In given problem, a DNP student obtains a pretest at the beginning of class and immediately after…

Q: find the test value used to test the claim that the proportion of jellyfish stings at jones beach is…

A: Given, Sample size = 696 Sample proportion = 0.30   The null and alternative hypothesis is:

Q: The P-value for this sample

A: From part a), the degrees of freedom is 4. The test statistic is 42.37.

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: State the hypotheses.

Q: A random sample of 2000 driver's license applications found that 17% reported their eye color as…

A:

Q: When the Standard Score = -1, what is the percentile of the raw score? %3D O 2nd 14th O 16th 34th…

A: It is an important part of statistics. It is widely used.

Q: Anna is 3 years old and in the 42nd percentile for height in her age group. What does this mean?…

A: Given: 1)Anna is 3 years old and, 2) In the 42nd percentile for height in her age group. In the…

Q: Many athletes (and their parents) worry about the risk of concussions when playing sports. A…

A: First let us sort the head circumferences (in inches) for the players on the team; No. Head…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given, n1=120                                         n2=100 p1=35%=0.35…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A:

Q: You take a random sample of size 25 students and find the 5 who understand this lecture. With 99%…

A:

Q: How is a sample related to a​ population?

A: Population is set of all elements about which we want to know. While the sample is a part of such…

Q: Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the…

A: a) Mean = 1.24 median = 0.57 There is heavy positive skewness in the data.

Q: The digital marketing specialist would like to test the claim that the percent of customers who use…

A: Formula : Test statistic

Q: e testing the claim that the proportion of men who own cats is significantly different than the…

A: p^1=0.5p^2=0.45 p^=180*0.5 + 160*0.45180+160 = 0.47 hypothesis: H0 :p^1=p^2H1:p^1≠p^2 since we have…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Introduction: It is of interest to test whether the population proportions of men who own cats, and…

Q: if the 90% Ci for the population mean is (-2. 58, 7.54) what is the sample mean О a.248 ОБ. 10.12 O…

A: Confidence interval is defined as the range that contains the value of a true population parameter.…

Q: The final answer for the test statistic from technology is as follows: Round to 2 decimal places. t…

A: In 1999, the average percentage of women who received prenatal care per country was 80.1%. want to…

Q: In an Adecco staffing survey of 1000, adults in the US, 140 said the salary was the most important…

A: From the provided information, The sample size is 1000 which is sufficiently large and out of which…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A:

Q: Suppose you take a sample of 25 Reese's pieces. The proportion of orange is 0.55. What is the…

A:

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: The objective of this question is to find the test statistic for the claim that the proportion of…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: The sample proportions are The pooled proportion or weighted estimate of p is

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A:

Q: Assuming the regression line: P = 0.8 - 0.2X Then, at the value of X=4 that the linear regression…

A: Ycap=0.8-0.2*X  We want to find the intercept on X axis. Note: According to Bartleby Expert…

Q: A popular charity used 36% of its donations on expenses. An organizer for a rival charity wanted to…

A: Given data : 19 25 31 20 41 32 26 21 9 24

Q: USA Today reported that about 47% of the general consumer population in the United States is loyal…

A: From the provided information, 47% of the general consumer population in the United States is loyal…

Q: The workers at drug factory took a random sample of 800 drug tablets and found that 40 of them were…

A:

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: We will use the large sample test for difference of proportions. Z=p1-p2P.Q.(1n1+1n2)where P…

Q: A software company is interested in improving customer satisfaction rate from the 80% currently…

A: Given that  Sample size n =243 Favorable cases x =205 Sample proportion p^=x/n  =205/243 =0.8436…

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?

A:

Q: poll of 60 people asking “do you prefer dogs or cats?” Was taken, and 53 of those surveyed said they…

A: Sample size n =60 Favorable cases x =53 Sample proportion p^=x/n  =53/60 =0.8833 Population…

Q: if the 90% Ci for the population mean is (-5.22, 7.68) what is the sample mean O a. can't be found…

A: We have given that,  90% confidence interval for the population mean is  = (-5.22, 7.68)  Then,  We…

Q: What's the Z score and how is it calculated?

A: We know z-score is used in many fields. But we should know what is the meaning of z-score and how to…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: The given information is, The pooled proportion or weighted estimate of p is,

Q: For a sample of n=15 scores, how many scores are used to calculate the sample variance ?

A: Given that : For a sample of n=15 scores, how many scores are used to calculate the sample variance…

Q: I am lookin for the relationship between the sample mean and the population mean and also the…

A: An estimate mus be having few properties in the sense of best estimate.Unbiasdness is one the…

Q: what is a z-score of 80%?

A: 80% z score:  alpha=1-0.80           =0.2 alpha/2=0.2/2               =0.1  From standard normal…

Q: Disney Corporation would like to know what proportion of diners at Disney Springs would prefer to…

A: P=0.8q=0.2M. E. =0.02=0.05