In a class of students, the following data table summarizes how many students have a brother or a sister. What is the probability that a student chosen randomly from the class has a sister? & }(c) Has a brother & Does not have a brother Has a sister & 8 & 4 Does not have a sister & 2 & 6

When a small amount of acid is added to a non-buffe solution, there is a large change in pH. Calculate the pH when 26.9 mL of 0.0044 M HCl is added to 100.0 mL of pure water. Comment and hint in the general feedback.

Mrs handson has 2 pies for a party she Calculates that if she cut it evenly t will have 1/8 of a pie how many people at the party

Hello good afternoon everyone koi online he kya??

Iam an Italian doctor.i studied about the veins in the leg and noticed small valves in them.who am i

एक स्कोन एक स्टॉक के लिए urafted है। उत्पादित फलों की गुणवत्ता जीनोटाइप द्वारा निर्धारित की जाएगी (a)Stock (b) on (c) स्टॉक और on दोनों (डी) न तो स्टॉक और न ही on

The set with correct order of acidity is (a) HClO < HClO2 < HClO3 < HClO4 (b) HClO4 < HClO3 < HClO2 < HClO (c) HClO < HClO4 < HClO3 < HClO2 (d) HClO4 < HClO2 < HClO3 < HClO

Genetic codes contain _____. random data nonfunctional chance information complex information detailed instructions accidental complexity

In the lottery game known as 6/36, a player picks six numbers from 1 to 36. (a) How many different ways are there for the player to pick any 6 numbers, if order doesn't matter? Answer: (b) If all six of the numbers match the ones that are drawn, the player wins first prize. How many different ways are there for the player to pick 6 winning numbers, if order doesn't matter? Answer: (c) If five of the six numbers match the ones that are drawn, but the other number doesn't match, the player wins second prize. How many different ways are there for the player to pick 5 winning numbers and 1non-winning number, if order doesn't matter? Answer:

How does the evaporation cool down an area

Let S be the set of all non-zero real numbers such that the quadratic equation alpha x^2-x+alpha =0 has two distinct real roots x_1  and x_2  satisfying the inequality |x_1-x_2|lt 1.  Which of the following intervals is(are) a subset(s) of S) （ ） A . (-frac 1 2,-frac 1(sqrt 5)) B . (-frac 1(sqrt 5),0) C . (0,frac 1(sqrt 5)) D . (frac 1(sqrt 5),frac 1 2)