Question

Need help with these few questions ASAP ( for question 5 i provided the original question but i only needed help

with parts e&f)

4.  You are in charge of ordering t-shirts for children for an event.  The shirts are available in small, medium, and large.  Small shirts fit children up to 50 pounds.  Medium shirts fit children 50-70 pounds.  Large shirts fit children 70-110 pounds.  The distribution of the weights of the children who are attending this event has a mean of 60 pounds with a standard deviation of 15 pounds. How many t-shirts of each size should you order?  Be sure to include all relevant Minitab Express output and clearly identify your answers by writing a sentence. (20 points)

3. Your friend in a casino for the first time and he decides to play some American roulette. First, he bets $100 on red and he wins!  Then, he bets $100 on red again and he wins again! Use this information to answer the following questions.

If you use Minitab Express, copy + paste your output along with an explanation.

For a table of roulette betting odds see: https://en.wikipedia.org/wiki/Roulette#Bet_odds_table.

Note that this is American roulette with 38 slots: 18 red, 18 black, and 2 green.

(20 points)

A. If your friend plays a third round and bets $100 on red, what is the probability that he will win that round?

B. If an individual plays three rounds of American roulette, what is the probability that he or she will win all three times?

This all depends on where they place their bets. So, if they play like the person in the question, the probability they will win all 3 times they play is:

C. Your friend’s friend joins him at the casino and she plays 3 games of roulette, betting $100 on red each time. What is the probability that she will finish with more money than she started with?

5. Use Minitab Express to answer the following set of questions. Be sure to include all relevant output and clearly identify your answers by writing a sentence. A class is taking a test that consists of 40 true/false questions. The instructor made a mistake and printed the quiz for a much more advanced class. The students don’t know any of the content and they randomly guess at every question without event reading them. (30 points)

mean=20

SD=3.162

E. In order to pass, a student needs to get 24 or more questions correct.  What is the probability that a student will get 24 or more questions correct?

F. In order to get an A, a student needs to get 36 or more questions correct. What is the probability that a student will get 36 or more questions correct?

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