Question

Does the maker of M&Ms® (Mars, Inc.) use the same proportion of red candies in its...

Does the maker of M&Ms® (Mars, Inc.) use the same proportion of red candies in its plain and peanut varieties? A random sample of 51 plain M&Ms contained 11 red candies, and another random sample of 30 peanut M&Ms contained 6 red candies. (Use p1 for the proportion of red candies in plain M&Ms and p2 for the proportion of red candies in peanut M&Ms.)

(a) Construct a 95% confidence interval for the difference in the proportions of red candies for the plain and peanut varieties (p1 − p2).

(Round your answers to three decimal places.)

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Refer Standard normal table/Z-table or use excel function "=NORM.S.INV((1-0.025))" to find the Z-value.
0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Does the maker of M&Ms® (Mars, Inc.) use the same proportion of red candies in its...
Does the maker of M&Ms® (Mars, Inc.) use the same proportion of red candies in its plain and peanut varieties? A random sample of 55 plain M&Ms contained 14 red candies, and another random sample of 40 peanut M&Ms contained 7 red candies. (Use p1 for the proportion of red candies in plain M&Ms and p2 for the proportion of red candies in peanut M&Ms.) (a) Construct a 95% confidence interval for the difference in the proportions of red candies...
Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties?...
Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties? A random sample of 54 plain M&M'S contained 15 red candies, and another random sample of 31 peanut M&M'S contained 9 red candies. (Use p1 for the proportion of red candies in plain M&M'S and p2 for the proportion of red candies in peanut M&M'S.) (a) Construct a 95% confidence interval for the difference in the proportions of red candies for the plain and...
Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties?...
Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties? A random sample of 54 plain M&M'S contained 12 red candies, and another random sample of 33 peanut M&M'S contained 5 red candies. (Use p1 for the proportion of red candies in plain M&M'S and p2 for the proportion of red candies in peanut M&M'S.) (a) Construct a 95% confidence interval for the difference in the proportions of red candies for the plain and...
Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties?...
Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties? A random sample of 59 plain M&M'S contained 10 red candies, and another random sample of 33 peanut M&M'S contained 7 red candies. (Use p1 for the proportion of red candies in plain M&M'S and p2 for the proportion of red candies in peanut M&M'S.) (a) Construct a 95% confidence interval for the difference in the proportions of red candies for the plain and...
Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties?...
Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties? A random sample of 54 plain M&M'S contained 14 red candies, and another random sample of 40peanut M&M'S contained 6 red candies. (Use p1 for the proportion of red candies in plain M&M'S and p2 for the proportion of red candies in peanut M&M'S.) (a) Construct a 95% confidence interval for the difference in the proportions of red candies for the plain and peanut...
M&M Mars publishes information regarding the proportions of colors of candies in each type of M&Ms...
M&M Mars publishes information regarding the proportions of colors of candies in each type of M&Ms (plain, peanut, pretzel, caramel, etc.). The plain type M&Msare advertised to have 60% brown candies. Let's say you take a random sample of candies. Are you more likely to get a sample with 60% brown candies if you have a sample of 40 candies or a random sample of 400 candies? a. A random sample of 40 M&Ms is more likely to have 60%...
M&M Mars publishes information regarding the proportions of colors of candies in each type of M&Ms...
M&M Mars publishes information regarding the proportions of colors of candies in each type of M&Ms (plain, peanut, pretzel, caramel, etc.). The plain type M&Msare advertised to have 60% brown candies. Suppose that 20 students each take a random sample of 50 candies, calculate the sample proportion of brown candies, and create a single graph from the class data. Answer each of the questions by choosing the best responses from the options below. **You will choose one response for each...
Mars Inc. claims that they produce M&Ms with the following distributions: Brown 30% Red 20% Yellow...
Mars Inc. claims that they produce M&Ms with the following distributions: Brown 30% Red 20% Yellow 20% Orange 10% Green 10% Blue 10% A bag of M&Ms was randomly selected from the grocery store shelf, and the color counts were: Brown 23 Red 23 Yellow 20 Orange 15 Green 17 Blue 15 Using the χ2 goodness of fit test to determine if the proportion of M&Ms is what is claimed, what is the test statistic? a) χ2 = 10.409 b)...
Mars Inc. claims that they produce M&Ms with the following distributions: Brown 30% Red 20% Yellow...
Mars Inc. claims that they produce M&Ms with the following distributions: Brown 30% Red 20% Yellow 20% Orange 10% Green 10% Blue 10% A bag of M&Ms was randomly selected from the grocery store shelf, and the color counts were: Brown 25 Red 23 Yellow 21 Orange 13 Green 15 Blue 14 Using the χ2 goodness of fit test (α = 0.10) to determine if the proportion of M&Ms is what is claimed. Select the [p-value, Decision to Reject (RH0)...
Milk Chocolate M&M’s come in 6 colors; blue, orange, green, yellow, red, and brown. The color...
Milk Chocolate M&M’s come in 6 colors; blue, orange, green, yellow, red, and brown. The color is red and the number of candies is 25/200 total M&Ms 1. Choose your favorite color of M&M’s you will be working with for this project. State the color and give the counts below. Color of choice: Number of M&M's in your color: Total number of M&M's: Proportion of M&M's in your color: 2. Construct a 95% confidence interval for the proportion of M&M’s...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT