Assume that when adults with smartphones are randomly? selected, 49?% use them in meetings or classes. If 7 adult smartphone users are randomly? selected, find the probability that exactly 2 of them use their smartphones in meetings or classes.

## Research and evaluationWhat value is business research and hypothesis testing to a company? How long should it take a company to complete a scientific research study? |

## The distribution of sample means will be normal regardlessis the nutritional information listed on food items accurate? researchers randomly sampled 12 frozen inners of a |

## A recent study of cardiovascular risk factors reported that1. diastolic blood pressure are approximately normally distributed with a mean of 75 and a standard deviation of 10 a. |

## Correlation or relationship between two variablesWe say that two things have a positive relationship if they move in the same direction, or as one thing increases, so does the other. Or if one thing decreases, so does the other. |

## How does austen represent masculinityHow does Austen represent masculinity? What types of men does the depict? Is there an ideal representation of masculinity? Consider Sense and Sensibility as a "conduct" manual and analyze the "advice" Austen is offering to young women. |

## Let x be the number of teams from sd on petes seasona sports league is making up their season schedule. the league has 12 teams with eight teams from la and the rest from |

## Confidence interval for the true proportion of passengersFind a 90% confidence interval for the true proportion of passengers on long flights who develop DVT within eight weeks of a long flight. |

## What null and alternative hypothesis should you testIn order to support the claim made by the teaching professional, what null and alternative hypothesis should you test?- Suppose you select α = .05. Interpret this value in the words of the problem. |

## Assumptions for the confidence intervalConstruct and interpret a 99 confidence interval to estimate the true change. State the assumptions for the confidence interval in c to be valid. |

## What is the chance the bag selected was the first bagA machine produces 12,000 bolts per day, with a 3% defect rate. What is the probability that twelve defective bolts will be found in a sample of 600 bolts? |

## What is the supply function of the fringeThe average avoidable cost for a fringe firm is AAC(q) = 20/q + 5q. The marginal cost function for a fringe firm is MC = 10q. There are 10 fringe firms. The marginal cost of the dominant firm is 2 and the demand function is Q = 100 - P. |

## Describe how you could determine if the fishing is betteris fishing better from a boat or from the shore? pyramid lake is in nevada. presidents movie stars and people who just |

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