GradePack

    • Home
    • Blog
Skip to content
bg
bg
bg
bg

GradePack

pic2(1).PNG What is the name of this rock? [BLANK-1] At what…

pic2(1).PNG What is the name of this rock? [BLANK-1] At what type of plate boundary does it form? [BLANK-2] Is it foliated or non-foliated? [BLANK-3]

Read Details

Note the Metamorphic rock name chart is at the bottom of thi…

Note the Metamorphic rock name chart is at the bottom of this exam.

Read Details

This question is worth 2 points. You will use a statistical…

This question is worth 2 points. You will use a statistical program of your choice (Statcrunch, Excel, etc) to find the following: A fashion researcher who studies viral style trends is investigating the popularity of wearing socks with sandals on social media. She randomly selects a sample of 50 Instagram posts tagged with #sockandsandals and finds that, on average, each post received 1,850 likes, with a standard deviation of 470 likes. Construct a 95% confidence interval to estimate the true mean number of likes for Instagram posts featuring this trend. What is the lower bound? (It is sometimes referred to as the “lower limit) Round your answer to 2 decimal places.

Read Details

As part of a Master’s thesis project, a mathematics teacher…

As part of a Master’s thesis project, a mathematics teacher is interested in the effects of two different teaching methods on mathematics achievement. She randomly chooses one class of students to learn an algebraic concept using traditional methods and another class of students to learn the same algebraic concept using manipulatives. The teacher then compares their test scores. Determine whether the samples are dependent or independent.

Read Details

Have we met the normality requirement for this test? 

Have we met the normality requirement for this test? 

Read Details

A manufacturer claims that their machine can produce at leas…

A manufacturer claims that their machine can produce at least 100 widgets per hour. However, you suspect that the machine produces more than 100 widgets per hour on average. You want to test if the machine’s output is greater than 100 widgets per hour. Is this a left-tailed, right-tailed, or two-tailed test? 

Read Details

Provide an appropriate response.Find the variance of the bin…

Provide an appropriate response.Find the variance of the binomial distribution for which n = 40 and p = 0.6.

Read Details

A recent study shows that the average amount of sleep high s…

A recent study shows that the average amount of sleep high school students get on a school night is 6.8 hours, with a standard deviation of 1.2 hours. Angelica is a high school student who reported getting 9.1 hours of sleep on a typical school night.  What is Angelica’s z-score? Round your answer to two decimal places.

Read Details

Determine whether the distribution represents a probability…

Determine whether the distribution represents a probability distribution. If not, identify any requirements that are not satisfied. x P(x) 1 .03 2 .61 3 .15 4 .32

Read Details

Determine whether the distribution represents a probability…

Determine whether the distribution represents a probability distribution. If not, identify any requirements that are not satisfied. x P(x) 1 .31 2 .06 3 .77 4 .81

Read Details

Posts pagination

Newer posts 1 … 63 64 65 66 67 … 57,378 Older posts

GradePack

  • Privacy Policy
  • Terms of Service
Top