Jamie is doing a survey at her school about whether the students feel the cafeteria food...

Question

Question

Jamie is doing a survey at her school about whether the students feel the cafeteria food...

Jamie is doing a survey at her school about whether the students feel the cafeteria food is satisfactory. She records the responses of 150 students and finds that 42% find the food satisfactory. She wonders whether she can claim this is significantly less than half with significance 0.1.

A)What type of hypothesis test should be performed here?

Options: (1-Prop Z-Test )(T-Test)( Z-Test )(None of these.)

B) State your conclusion and your rationale.

C)Interpret your previous answer.

math Statistics-And-Probability

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Add a comment

Answer 2

Similar Homework Help Questions

Jamie is doing a survey at her school about whether the students feel the cafeteria food...

Jamie is doing a survey at her school about whether the students feel the cafeteria food is satisfactory. She records the responses of 150 students and finds that 42% find the food satisfactory. She wonders whether she can claim this is significantly less than half. A)Describe the sampling distribution. ( Please explain in detail) B) Find and interpret the 96% confidence interval for the proportion of students who find the cafeteria food satisfactory. (Please explain in detail) C)What type of...
Jamie is doing a survey at her school about whether the students feel the cafeteria food...

Jamie is doing a survey at her school about whether the students feel the cafeteria food is satisfactory. She records the responses of 140 students and finds that 45% find the food satisfactory. She wonders whether she can claim this is significantly less than half with significance 0.1. Step 2 of 6: State the null hypothesis.
Jamie is doing a survey at her school about whether the students feel the cafeteria food is satisfactory. She records the responses of 140 students and finds that 45% find the food satisfactory. She w...

Jamie is doing a survey at her school about whether the students feel the cafeteria food is satisfactory. She records the responses of 140 students and finds that 45% find the food satisfactory. She wonders whether she can claim this is significantly less than half. Step 1 of 4: Describe the sampling distribution. Step 2 of 4: Find and interpret the 94% confidence interval for the proportion of students who find the cafeteria food satisfactory. Step 3 of 4: What...

National average ACT score for high school students stands at 25. A teacher thinks that her...

National average ACT score for high school students stands at 25. A teacher thinks that her students perform better than average. So she collects data for 32 students and finds out that their average is 26.5 with standard deviation 3.7. (a) Set up a hypothesis test to see whether the teacher is right (b) Construct a 95% confidence interval for the mean ACT score. Explain your choice of distribution in constructing the confidence interval (normal or t-distribution). (c) Find the...
A recent national survey showed that the mean amount of time high school students spent per...

A recent national survey showed that the mean amount of time high school students spent per day using Snapchat was 65 minutes, with a standard deviation of 9 minutes. Mrs. Jones, a school principal, surveyed 100 of her students and computed a sample mean of 67.6 minutes of daily Snapchat use. She would like to determine, with a .01 significance level, whether her school is significantly different from the national results. State the null and alternate hypotheses for this two-tailed...
1. You are a teacher at a school for gifted children, and you feel that your...

1. You are a teacher at a school for gifted children, and you feel that your newest class of students are even brighter than usual. The mean IQ at your school is 127, and the mean IQ of this new class is 134. In total, there are 32 students in this new class. Also, the standard deviation of the school's IQ is 8. Use the eight steps to test whether this new class of students is significantly more intelligent than...

3. (40 points) Twenty years ago 56% of parents of high school students felt that it...

3. (40 points) Twenty years ago 56% of parents of high school students felt that it was a serious problem that high school students were not being taught enough science and math. A recent survey found that 318 out of 800 parents of high school students feel that it is a serious problem that students are not being taught enough science and math. At a 99% significance level, do parents today feel differently than they did 20 years ago? Steps...
A survey of university students was conducted and found that students spend 2 hours per class...

A survey of university students was conducted and found that students spend 2 hours per class hour studying. A Teacher at your school wants to determine whether the time students spend at your school is significantly different from the two hours. A random sample of 15 Statistics Students is carried out and the findings report an average of 1.75 hours with a standard deviation of 0.24 hours. Test the 5% level of significance. a. Critical value of t = 1.761....
12. A survey conducted at Chicago Public Schools (CPS) involving high school students on whether they...

12. A survey conducted at Chicago Public Schools (CPS) involving high school students on whether they had participated in binged drinking during the past month. Binge drinking was defined as 5 or more drinks in a row on one or more of the past 30 days. Number who identified as having participated in Binge Drinking. 73 Total participants 571 a. From the sample data is there evidence that the proportion of students who participate in binge drinking is greater than...

students at a local college were asked about their favorite subject in school and whether they prefer onlin...

students at a local college were asked about their favorite subject in school and whether they prefer online classes, hybrid classes, or face-to-face classes. The table below summarizes the students responses: OnTine HybridFace-to-face Math 15 20 Science 55 215 History 25 30 120 45 175 Art 5 Other 85 10 2.噐 ret TeheËrmous probl鍔percent of resident : The vice president of instruction at this college believes that 15 percent of the students prefer onlne CTasses, 40 percent prefer hybrid classes,...

Jamie is doing a survey at her school about whether the students feel the cafeteria food...

Homework Answers

Add Answer to:
Jamie is doing a survey at her school about whether the students feel the cafeteria food...

Post as a guest

Earn Coins