4* A bag containing 300 ordinary pennies is dropped on a table. What is the approximate prob- ability that between 200 and 230 coins fall heads up?

Sales of ABC by category, in millions of Rupiah 2016 101 131 86 118 157 46 66 109 Electronics 300 330 132 261 Fashion Supermarket 463 616 801 376 1 Other Mar Apr May target May 1st to 15th Number of 1,838 2,389 3,046 457 transacting agents

Determine whether the source of error represents random or systematic error. Explain why your answer is correct. 6) Athlete's are timed in the 100-m dash by a person with a stop watch. There is some error involved in stopping the watch at the correct instant. A) Random error B) Systematic error

5.) 35 students were enrolled on the first day of a English class. By mid-semester, there were only 20 students left. What was the percentage decrease in enrolled students from the first day of class to the mid semester? Round your answer to one decimal place.

Wildlife biologist inspects 153 deer taken by hunters and find 32 of them carrying Lyme disease ticks. 1). If the scientist want to estimate the proportion of the deer that carry Lyme disease ticks within 2% with 90% confidence how many deer should they sample?

Professor Ramos will participate in the lottery that will be played by 500 participants he buys a ticket for 5 dollars.the lucky randomly selected winner will get 100 dollars as a prize what would Ramos expected winnings or losses be. Show your calculations and interpret your  results

A teacher claims that over 12% of maths students are married. In the suevey at the beginning of semester, 50 Students answered the question about their marital status. 12 of them said they were married. Calculate the test statistic Z (round answer to 2 decimala)

What if PepsiCo wants to narrow their investigation to see if the ounces are specifically less than the listed amount. How would your hypothesis test change with these new circumstances?