Algebra II: the mean of a set of credit scores is μ = 690 and σ = 14. which statement must be true? A.) z₆₉₀ is within 1 standard deviation of the mean.
B.) z₆₉₀ is between 1 and 2 standard deviations of the mean.
C.) z₆₉₀ is between 2 and 3 standard deviations of the mean.
D.) z₆₉₀ is more than 3 standard deviations of the mean.

for anyone who wants to answer this, please PROVIDE AN EXPLANATION instead of just writing the answer. i'm not great with algebra II and i'd like to understand the answer rather than just having the answer alone. thank you!! <3

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin