Assume that adults have 1Q scores that are normally distributed with a mean of 100.4 and a standard deviation 21.1. Find the first quartile Q,, which is the IQ score separating the bottom 25% from the top 75% (Hint Draw a graph ) The first quartile is (Type an integer or decimal rounded to one decimal place as needed.)

Q: Use the sum-to-product identity to find an expression that is equivelentto cust 15)- cos(5ØL Frovide…

A: Use sum product identity to find the expression.

Q: In Guilford County North Carolina, all voters are either Republicans or Democrats. 39 percent of the…

A: Based on the given information, n=12, and p=0.39. The probabilities will be obtained as given below:…

Q: 25+2=

A: First we calculate 2^5.2^5= 2x2x2x2x2=32

Q: #2 - Niku

A: Given, The Caesar cipher method to encrypts message by changing each letter of the alphabet to the…

Q: Redo C please

A: .

Q: Answer number 4

A:

Q: answer 4.

A: Please rate and feel free to ask any query about any part of the question.

Q: 3&4 please

A: (3) Given that, the normal distribution has a population mean is, μ=50 The expected value of the…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.