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Statistics
AGENTJSVSL:

I have two questions and I just need an assurance that they're correct. I can't mess it up. Here are the questions: 1. ​ A potato-chip producer has just received a truckload of potatoes from their main supplier. If the producer finds convincing evidence that more than 8% of the potatoes in the shipment have blemishes, the truck will be sent away to get another load from the supplier. A supervisor selects a random sample of 500 potatoes from the truck. An inspection reveals that 47 of the potatoes have blemishes. Carry out a significance test at the α = 0.05 significance level. What should the producer conclude? 2. ​ As part of the National Social Network Site Project researchers conducted two surveys in 2017. The first survey asked a random sample of 799 U.S. teens about their use of social media and the Internet. A second survey posed similar questions to a random sample of 2253 U.S. adults. In these 2 studies, 80% of teens and 69% of adults used social-networking sites. Construct and interpret a 95% confidence interval for the difference between the proportion of all U.S. teens and adults who use social-networking sites. My answers are respectively posted in the following comments. Please refrain from looking up the question as typically there's a different LOS, which could severely affect statistical significance. Your input is highly appreciated. Thanks in advance.

1 month ago
AGENTJSVSL:

*calculation correction → i mean to say 0.1251 > 0.05, not less.

1 month ago
AGENTJSVSL:

and I meant to say there’s no statistical significance and H0 failed to reject at alpha=0.05

1 month ago
AGENTMSVSL:

haha that's ma baby wit the same hand writing as me. lookin on fleeek✏️💙

1 month ago
AGENTJSVSL:

XDDD AWW HAHAHAHAH

1 month ago
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