Pls Answer Soon and if you know! Select all the studies in which the results may have been skewed by bias. For each study, assume a normal distribution.

1. a study on cooking times at high altitudes, with 90% of the data falling above the population mean

2. a study with a significantly smaller than expected standard deviation about the sample mean

3. a study of employees’ annual number of vacation days, with a large standard deviation about the mean a study of employee satisfaction, with 25% of the data having a z-score greater than 1

4. a study on crosswalk wait times with 95% of the data falling within 1 standard deviation of the population mean

5. a study on the average length of hiking trails in all state parks, with 50% of the data falling below the population mean

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

Design an er diagram for keeping track of information about votes taken in the u. s. house of representatives during the current two-year congressional session. the database needs to keep track of each u. s. state's name (e. g., texas', new york', california') and include the region of the state (whose domain is {northeast', midwest', southeast', southwest', west'}). each congress person in the house of representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {republican', democrat', 'independent', other'}). the database keeps track of each bill (i. e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {yes', no'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). the database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {yes', no', abstain', absent'}). additional information:

Roy has 4 1/2 pizzas for the soccer team to split after the game. if each member is going to get 1/2 of a pizza, how many players are on the soccer team