Question

A Google research study asked 5016 smartphone users about how they used their phones. In response...

A Google research study asked 5016 smartphone users about how they used their phones. In response to a question about purchases, 3110 reported that they purchased an item after using their smartphone to search for information about the item. Perform a hypothesis test to determine if more than 60% of all information about it on their smarphone

a- state the nukl hypothesis for this problem.
b- state the alternative hypothesis for this problem.
c- find the value of the test statistic.
d- find the p-value
e- what decision should you make?
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

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
A 2018 Pew Research poll found that 78% of smartphone owners use their phones for online...
A 2018 Pew Research poll found that 78% of smartphone owners use their phones for online shopping. You take a random sample now of 150 current smartphone owners and find that 133 of them use their phone for shopping. Is this evidence that since 2018 there has been an increase in the proportion of smartphone owners who use their devices for shopping? Justify your conclusion at o = 0.01. a. What test should you conduct here? b. State the hypotheses...
You are hired by Google to research how much people are willing to pay for a...
You are hired by Google to research how much people are willing to pay for a new cell phone in US. They are especially interested to know if their new phone, Pixel, should be priced similarly to Apple’s iPhone. Google believes that there is a difference between what Android and iPhone users are willing to pay for high-end phones. You are hired to answer this question. To analyze iPhone users your team randomly selects 16 individuals. The sample average is...
The marketing research company Comscore, Inc, reported that 65% of online searches in March 2010 used...
The marketing research company Comscore, Inc, reported that 65% of online searches in March 2010 used Google as the search engine. A network administrator wants to determine whether the % of searches that use Google is different in his company. He samples 400 searches and finds that 295 of them use Google. Can he conclude that the % of searches that use Google in his company differs from 65%? Use α = 0.05 level of significance. Null Hyp: ______________ Alternative...
Response rates to web surveys are typically low, partially due to users starting but not finishing...
Response rates to web surveys are typically low, partially due to users starting but not finishing the survey. The factors that influence response rates were investigated. A survey company designed a study to verify this information. Web users were directed to participate in one of several surveys with different formats. One format utilized a welcome screen with a white background and the other one with a blue background. Data of the survey are given in OnlineHW.xlsx. Use three digits whenever...
1. A Pew Research study regarding cell phones asked questions about cell phone experience. One growing...
1. A Pew Research study regarding cell phones asked questions about cell phone experience. One growing concern is unsolicited advertising in the form of text messages. Pew asked 1150 cell phone owners, “Have you ever received unsolicited text messages on your cell pone from advertisers?” and 17% reported that they had. a) State the parameter you want to estimate. b) Check conditions and identify the appropriate inference method. c) If the conditions have been met, perform the calculations for a...
In a study of 420,118 cell phone​ users, 137 subjects developed cancer of the brain or...
In a study of 420,118 cell phone​ users, 137 subjects developed cancer of the brain or nervous system. Test the claim of a somewhat common belief that such cancers are affected by cell phone use. That​ is, test the claim that cell phone users develop cancer of the brain or nervous system at a rate that is different from the rate of​ 0.0340% for people who do not use cell phones. Because this issue has such great​ importance, use a...
In a study of 420,096 cell phone​ users, 113 subjects developed cancer of the brain or...
In a study of 420,096 cell phone​ users, 113 subjects developed cancer of the brain or nervous system. Test the claim of a somewhat common belief that such cancers are affected by cell phone use. That​ is, test the claim that cell phone users develop cancer of the brain or nervous system at a rate that is different from the rate of​ 0.0340% for people who do not use cell phones. Because this issue has such great​ importance, use a...
In a study of 420,102 cell phone​ users, 135 subjects developed cancer of the brain or...
In a study of 420,102 cell phone​ users, 135 subjects developed cancer of the brain or nervous system. Test the claim of a somewhat common belief that such cancers are affected by cell phone use. That​ is, test the claim that cell phone users develop cancer of the brain or nervous system at a rate that is different from the rate of​ 0.0340% for people who do not use cell phones. Because this issue has such great​ importance, use a...
A study by a reputable research group captured multitasking activities of adults who use different devices...
A study by a reputable research group captured multitasking activities of adults who use different devices while watching TV. The study reported that 321of 439 ​(73%)smartphone users​ sampled,194 of 345 (56​%)computer users​ sampled, and 146 of 265 (55​%) tablet users sampled used their device to check social media unrelated to the video content while watching TV. Complete parts​ (a) through​ (c) below. a. Is there evidence of a significant difference among the​ smartphone, computer, and tablet users with respect to...
In a study of 420,082 cell phone​ users, 123 subjects developed cancer of the brain or...
In a study of 420,082 cell phone​ users, 123 subjects developed cancer of the brain or nervous system. Test the claim of a somewhat common belief that such cancers are affected by cell phone use. That​ is, test the claim that cell phone users develop cancer of the brain or nervous system at a rate that is different from the rate of​0.0340% for people who do not use cell phones. Because this issue has such great​ importance, use a 0.005...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT