Find the critical t-value that corresponds to 99 confidence and n ...

[charchew]

Find the critical t-value that corresponds to 99 confidence and n = 10.
 
  A) 2.821 B) 3.250 C) 2.262 D) 1.833

Question 2

You toss a fair coin 5 times. What is the probability of at least one head? Round to the nearest ten-thousandth.
 
  A) 0.9688 B) 0.7500 C) 0.5000 D) 0.0313

[atrochim]

Answer to Question 1

A

Answer to Question 2

A

[charchew]

TYSM

[debra928]

Gracias!